38321586081 has 15 divisors (see below), whose sum is σ = 57248458113. Its totient is φ = 25546549500.

The previous prime is 38321586073. The next prime is 38321586089. The reversal of 38321586081 is 18068512383.

The square root of 38321586081 is 195759.

It is a perfect power (a square), and thus also a powerful number.

38321586081 is a `hidden beast` number, since 3 + 8 + 32 + 1 + 5 + 8 + 608 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (38321586073) and next prime (38321586089).

It is not a de Polignac number, because 38321586081 - 2³ = 38321586073 is a prime.

It is a super-2 number, since 2×38321586081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38321586089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1750956 + ... + 1772706.

Almost surely, 2^38321586081 is an apocalyptic number.

38321586081 is the 195759-th square number.

38321586081 is the 97880-th centered octagonal number.

It is an amenable number.

38321586081 is a deficient number, since it is larger than the sum of its proper divisors (18926872032).

38321586081 is an frugal number, since it uses more digits than its factorization.

38321586081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43514 (or 21754 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 38321586081 in words is "thirty-eight billion, three hundred twenty-one million, five hundred eighty-six thousand, eighty-one".