2038090298689 has 3 divisors (see below), whose sum is σ = 2038091726307. Its totient is φ = 2038088871072.

The previous prime is 2038090298561. The next prime is 2038090298711. The reversal of 2038090298689 is 9868920908302.

The square root of 2038090298689 is 1427617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 644255049025 + 1393835249664 = 802655^2 + 1180608^2 .

It is not a de Polignac number, because 2038090298689 - 2⁷ = 2038090298561 is a prime.

It is a super-2 number, since 2×2038090298689² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2038090298689.

It is not an unprimeable number, because it can be changed into a prime (2038090278689) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 713809 + ... + 2141425.

It is an arithmetic number, because the mean of its divisors is an integer number (679363908769).

Almost surely, 2^{2038090298689} is an apocalyptic number.

2038090298689 is the 1427617-th square number.

2038090298689 is the 713809-th centered octagonal number.

It is an amenable number.

2038090298689 is a deficient number, since it is larger than the sum of its proper divisors (1427618).

2038090298689 is an frugal number, since it uses more digits than its factorization.

2038090298689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855234 (or 1427617 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

Multiplying 2038090298689 by its sum of digits (64), we get a square (130437779116096 = 11420936²).

The spelling of 2038090298689 in words is "two trillion, thirty-eight billion, ninety million, two hundred ninety-eight thousand, six hundred eighty-nine".