38513974612 has 6 divisors (see below), whose sum is σ = 67399455578. Its totient is φ = 19256987304.

The previous prime is 38513974607. The next prime is 38513974627. The reversal of 38513974612 is 21647931583.

It can be written as a sum of positive squares in only one way, i.e., 38179596816 + 334377796 = 195396^2 + 18286^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814246823 + ... + 4814246830.

Almost surely, 2^38513974612 is an apocalyptic number.

It is an amenable number.

38513974612 is a deficient number, since it is larger than the sum of its proper divisors (28885480966).

38513974612 is a wasteful number, since it uses less digits than its factorization.

38513974612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628493657 (or 9628493655 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 38513974612 in words is "thirty-eight billion, five hundred thirteen million, nine hundred seventy-four thousand, six hundred twelve".