38489117508428 has 6 divisors (see below), whose sum is σ = 67355955639756. Its totient is φ = 19244558754212.

The previous prime is 38489117508409. The next prime is 38489117508437. The reversal of 38489117508428 is 82480571198483.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4811139688550 + ... + 4811139688557.

It is an arithmetic number, because the mean of its divisors is an integer number (11225992606626).

Almost surely, 2^{38489117508428} is an apocalyptic number.

It is an amenable number.

38489117508428 is a deficient number, since it is larger than the sum of its proper divisors (28866838131328).

38489117508428 is a wasteful number, since it uses less digits than its factorization.

38489117508428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622279377111 (or 9622279377109 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 68.

The spelling of 38489117508428 in words is "thirty-eight trillion, four hundred eighty-nine billion, one hundred seventeen million, five hundred eight thousand, four hundred twenty-eight".