38632351685 has 4 divisors (see below), whose sum is σ = 46358822028. Its totient is φ = 30905881344.

The previous prime is 38632351657. The next prime is 38632351727. The reversal of 38632351685 is 58615323683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8013651361 + 30618700324 = 89519^2 + 174982^2 .

It is a cyclic number.

It is not a de Polignac number, because 38632351685 - 2²⁴ = 38615574469 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3863235164 + ... + 3863235173.

It is an arithmetic number, because the mean of its divisors is an integer number (11589705507).

Almost surely, 2^38632351685 is an apocalyptic number.

It is an amenable number.

38632351685 is a deficient number, since it is larger than the sum of its proper divisors (7726470343).

38632351685 is an equidigital number, since it uses as much as digits as its factorization.

38632351685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726470342.

The product of its digits is 3110400, while the sum is 50.

The spelling of 38632351685 in words is "thirty-eight billion, six hundred thirty-two million, three hundred fifty-one thousand, six hundred eighty-five".