38128429902 has 8 divisors (see below), whose sum is σ = 76256859816. Its totient is φ = 12709476632.

The previous prime is 38128429901. The next prime is 38128429903. The reversal of 38128429902 is 20992482183.

It is an interprime number because it is at equal distance from previous prime (38128429901) and next prime (38128429903).

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

38128429902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38128429901) 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, 3177369153 + ... + 3177369164.

It is an arithmetic number, because the mean of its divisors is an integer number (9532107477).

Almost surely, 2^38128429902 is an apocalyptic number.

38128429902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38128429902 is a wasteful number, since it uses less digits than its factorization.

38128429902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354738322.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 38128429902 in words is "thirty-eight billion, one hundred twenty-eight million, four hundred twenty-nine thousand, nine hundred two".