38949942529 has 8 divisors (see below), whose sum is σ = 40213905920. Its totient is φ = 37686448800.

The previous prime is 38949942527. The next prime is 38949942533. The reversal of 38949942529 is 92524994983.

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 38949942529 - 2¹ = 38949942527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38949942527) 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, 55189 + ... + 284509.

It is an arithmetic number, because the mean of its divisors is an integer number (5026738240).

Almost surely, 2^38949942529 is an apocalyptic number.

It is an amenable number.

38949942529 is a deficient number, since it is larger than the sum of its proper divisors (1263963391).

38949942529 is a wasteful number, since it uses less digits than its factorization.

38949942529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234831.

The product of its digits is 50388480, while the sum is 64.

The spelling of 38949942529 in words is "thirty-eight billion, nine hundred forty-nine million, nine hundred forty-two thousand, five hundred twenty-nine".