38862208295981 has 64 divisors (see below), whose sum is σ = 48524344197120. Its totient is φ = 30371925991680.

The previous prime is 38862208295927. The next prime is 38862208296011. The reversal of 38862208295981 is 18959280226883.

It is a de Polignac number, because none of the positive numbers 2^k-38862208295981 is a prime.

It is a super-2 number, since 2×38862208295981² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38862208295081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2344902611 + ... + 2344919183.

It is an arithmetic number, because the mean of its divisors is an integer number (758192878080).

Almost surely, 2^{38862208295981} is an apocalyptic number.

38862208295981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38862208295981 is a deficient number, since it is larger than the sum of its proper divisors (9662135901139).

38862208295981 is a wasteful number, since it uses less digits than its factorization.

38862208295981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 238878720, while the sum is 71.

The spelling of 38862208295981 in words is "thirty-eight trillion, eight hundred sixty-two billion, two hundred eight million, two hundred ninety-five thousand, nine hundred eighty-one".