39057388869 has 4 divisors (see below), whose sum is σ = 52076518496. Its totient is φ = 26038259244.

The previous prime is 39057388859. The next prime is 39057388883. The reversal of 39057388869 is 96888375093.

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 not a de Polignac number, because 39057388869 - 2²⁴ = 39040611653 is a prime.

It is a super-2 number, since 2×39057388869² (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 (39057388859) 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, 6509564809 + ... + 6509564814.

It is an arithmetic number, because the mean of its divisors is an integer number (13019129624).

Almost surely, 2^39057388869 is an apocalyptic number.

It is an amenable number.

39057388869 is a deficient number, since it is larger than the sum of its proper divisors (13019129627).

39057388869 is a wasteful number, since it uses less digits than its factorization.

39057388869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019129626.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 39057388869 in words is "thirty-nine billion, fifty-seven million, three hundred eighty-eight thousand, eight hundred sixty-nine".