38692330981 has 4 divisors (see below), whose sum is σ = 38693300832. Its totient is φ = 38691361132.

The previous prime is 38692330967. The next prime is 38692331009. The reversal of 38692330981 is 18903329683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38692330981 - 2¹³ = 38692322789 is a prime.

It is a super-2 number, since 2×38692330981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38692330081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422395 + ... + 505768.

It is an arithmetic number, because the mean of its divisors is an integer number (9673325208).

Almost surely, 2^38692330981 is an apocalyptic number.

It is an amenable number.

38692330981 is a deficient number, since it is larger than the sum of its proper divisors (969851).

38692330981 is an equidigital number, since it uses as much as digits as its factorization.

38692330981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969850.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 38692330981 in words is "thirty-eight billion, six hundred ninety-two million, three hundred thirty thousand, nine hundred eighty-one".