38053231938 has 18 divisors (see below), whose sum is σ = 82450462419. Its totient is φ = 12684134772.

The previous prime is 38053231913. The next prime is 38053231963. The reversal of 38053231938 is 83913235083.

38053231938 is a `hidden beast` number, since 3 + 80 + 532 + 3 + 1 + 9 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (38053231913) and next prime (38053231963).

It can be written as a sum of positive squares in only one way, i.e., 19026615969 + 19026615969 = 137937^2 + 137937^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=137937.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38053231893 and 38053231902.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 804633 + ... + 850611.

Almost surely, 2^38053231938 is an apocalyptic number.

38053231938 is an abundant number, since it is smaller than the sum of its proper divisors (44397230481).

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

38053231938 is an frugal number, since it uses more digits than its factorization.

38053231938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91966 (or 45984 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 38053231938 in words is "thirty-eight billion, fifty-three million, two hundred thirty-one thousand, nine hundred thirty-eight".