38690690039 has 8 divisors (see below), whose sum is σ = 39090584448. Its totient is φ = 38291125600.

The previous prime is 38690690029. The next prime is 38690690123. The reversal of 38690690039 is 93009609683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38690690039 - 2²⁸ = 38422254583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38690690009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156794 + ... + 319320.

It is an arithmetic number, because the mean of its divisors is an integer number (4886323056).

Almost surely, 2^38690690039 is an apocalyptic number.

38690690039 is a deficient number, since it is larger than the sum of its proper divisors (399894409).

38690690039 is a wasteful number, since it uses less digits than its factorization.

38690690039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164985.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 38690690039 in words is "thirty-eight billion, six hundred ninety million, six hundred ninety thousand, thirty-nine".