38994619736 has 8 divisors (see below), whose sum is σ = 73114912020. Its totient is φ = 19497309864.

The previous prime is 38994619679. The next prime is 38994619747. The reversal of 38994619736 is 63791649983.

It is a tau number, because it is divible by the number of its divisors (8).

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, 2437163726 + ... + 2437163741.

Almost surely, 2^38994619736 is an apocalyptic number.

It is an amenable number.

38994619736 is a deficient number, since it is larger than the sum of its proper divisors (34120292284).

38994619736 is a wasteful number, since it uses less digits than its factorization.

38994619736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874327473 (or 4874327469 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 65.

The spelling of 38994619736 in words is "thirty-eight billion, nine hundred ninety-four million, six hundred nineteen thousand, seven hundred thirty-six".