3415994794081 has 3 divisors (see below), whose sum is σ = 3415996642323. Its totient is φ = 3415992945840.

The previous prime is 3415994794019. The next prime is 3415994794087. The reversal of 3415994794081 is 1804974995143.

It is a happy number.

The square root of 3415994794081 is 1848241.

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., 23030794081 + 3392964000000 = 151759^2 + 1842000^2 .

It is not a de Polignac number, because 3415994794081 - 2²¹ = 3415992696929 is a prime.

It is a super-2 number, since 2×3415994794081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3415994794087) 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, 924121 + ... + 2772361.

It is an arithmetic number, because the mean of its divisors is an integer number (1138665547441).

Almost surely, 2^{3415994794081} is an apocalyptic number.

3415994794081 is the 1848241-st square number.

3415994794081 is the 924121-st centered octagonal number.

It is an amenable number.

3415994794081 is a deficient number, since it is larger than the sum of its proper divisors (1848242).

3415994794081 is an frugal number, since it uses more digits than its factorization.

3415994794081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696482 (or 1848241 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

Multiplying 3415994794081 by its sum of digits (64), we get a square (218623666821184 = 14785928²).

The spelling of 3415994794081 in words is "three trillion, four hundred fifteen billion, nine hundred ninety-four million, seven hundred ninety-four thousand, eighty-one".