38690842623 has 16 divisors (see below), whose sum is σ = 56505898080. Its totient is φ = 23439481856.

The previous prime is 38690842601. The next prime is 38690842637. The reversal of 38690842623 is 32624809683.

It is a cyclic number.

It is not a de Polignac number, because 38690842623 - 2⁶ = 38690842559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38690842643) 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, 13078590 + ... + 13081547.

It is an arithmetic number, because the mean of its divisors is an integer number (3531618630).

Almost surely, 2^38690842623 is an apocalyptic number.

38690842623 is a deficient number, since it is larger than the sum of its proper divisors (17815055457).

38690842623 is a wasteful number, since it uses less digits than its factorization.

38690842623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160186.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 38690842623 in words is "thirty-eight billion, six hundred ninety million, eight hundred forty-two thousand, six hundred twenty-three".