38995491641764 has 36 divisors (see below), whose sum is σ = 79385066455296. Its totient is φ = 16712061552144.

The previous prime is 38995491641713. The next prime is 38995491641807. The reversal of 38995491641764 is 46714619459983.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9699529 + ... + 13117615.

Almost surely, 2^{38995491641764} is an apocalyptic number.

It is an amenable number.

38995491641764 is an abundant number, since it is smaller than the sum of its proper divisors (40389574813532).

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

38995491641764 is a wasteful number, since it uses less digits than its factorization.

38995491641764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476312 (or 3476303 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 76.

The spelling of 38995491641764 in words is "thirty-eight trillion, nine hundred ninety-five billion, four hundred ninety-one million, six hundred forty-one thousand, seven hundred sixty-four".