38915037889 has 16 divisors (see below), whose sum is σ = 47949527808. Its totient is φ = 30755143872.

The previous prime is 38915037871. The next prime is 38915037919. The reversal of 38915037889 is 98873051983.

It is a cyclic number.

It is not a de Polignac number, because 38915037889 - 2⁵ = 38915037857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38915037859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160342 + ... + 321775.

It is an arithmetic number, because the mean of its divisors is an integer number (2996845488).

Almost surely, 2^38915037889 is an apocalyptic number.

It is an amenable number.

38915037889 is a deficient number, since it is larger than the sum of its proper divisors (9034489919).

38915037889 is a wasteful number, since it uses less digits than its factorization.

38915037889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483024.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 38915037889 in words is "thirty-eight billion, nine hundred fifteen million, thirty-seven thousand, eight hundred eighty-nine".