38626689023 has 4 divisors (see below), whose sum is σ = 41597972808. Its totient is φ = 35655405240.

The previous prime is 38626689019. The next prime is 38626689029. The reversal of 38626689023 is 32098662683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38626689023 - 2² = 38626689019 is a prime.

It is a super-2 number, since 2×38626689023² (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 (38626689029) 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, 1485641873 + ... + 1485641898.

It is an arithmetic number, because the mean of its divisors is an integer number (10399493202).

Almost surely, 2^38626689023 is an apocalyptic number.

38626689023 is a deficient number, since it is larger than the sum of its proper divisors (2971283785).

38626689023 is a wasteful number, since it uses less digits than its factorization.

38626689023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971283784.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 38626689023 in words is "thirty-eight billion, six hundred twenty-six million, six hundred eighty-nine thousand, twenty-three".