38293137664 has 36 divisors (see below), whose sum is σ = 76450810156. Its totient is φ = 19143032832.

The previous prime is 38293137613. The next prime is 38293137689. The reversal of 38293137664 is 46673139283.

It can be written as a sum of positive squares in 2 ways, for example, as 12590635264 + 25702502400 = 112208^2 + 160320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882492 + ... + 1902724.

Almost surely, 2^38293137664 is an apocalyptic number.

It is an amenable number.

38293137664 is a deficient number, since it is larger than the sum of its proper divisors (38157672492).

38293137664 is an equidigital number, since it uses as much as digits as its factorization.

38293137664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27642 (or 27628 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

The spelling of 38293137664 in words is "thirty-eight billion, two hundred ninety-three million, one hundred thirty-seven thousand, six hundred sixty-four".