38870697693944 has 16 divisors (see below), whose sum is σ = 72907155776520. Its totient is φ = 19428789486880.

The previous prime is 38870697693943. The next prime is 38870697693953. The reversal of 38870697693944 is 44939679607883.

It is a super-2 number, since 2×38870697693944² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870697693943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819894827 + ... + 819942234.

Almost surely, 2^{38870697693944} is an apocalyptic number.

It is an amenable number.

38870697693944 is a deficient number, since it is larger than the sum of its proper divisors (34036458082576).

38870697693944 is a wasteful number, since it uses less digits than its factorization.

38870697693944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639840030 (or 1639840026 counting only the distinct ones).

The product of its (nonzero) digits is 11851370496, while the sum is 83.

The spelling of 38870697693944 in words is "thirty-eight trillion, eight hundred seventy billion, six hundred ninety-seven million, six hundred ninety-three thousand, nine hundred forty-four".