38982941989 has 4 divisors (see below), whose sum is σ = 38984990400. Its totient is φ = 38980893580.

The previous prime is 38982941957. The next prime is 38982942001. The reversal of 38982941989 is 98914928983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38982941989 - 2⁵ = 38982941957 is a prime.

It is a super-2 number, since 2×38982941989² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38982941929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995389 + ... + 1033810.

It is an arithmetic number, because the mean of its divisors is an integer number (9746247600).

Almost surely, 2^38982941989 is an apocalyptic number.

It is an amenable number.

38982941989 is a deficient number, since it is larger than the sum of its proper divisors (2048411).

38982941989 is a wasteful number, since it uses less digits than its factorization.

38982941989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048410.

The product of its digits is 80621568, while the sum is 70.

The spelling of 38982941989 in words is "thirty-eight billion, nine hundred eighty-two million, nine hundred forty-one thousand, nine hundred eighty-nine".