3642799131 has 12 divisors (see below), whose sum is σ = 5262663952. Its totient is φ = 2428143696.

The previous prime is 3642799093. The next prime is 3642799169. The reversal of 3642799131 is 1319972463.

3642799131 is a `hidden beast` number, since 3 + 6 + 427 + 99 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (3642799093) and next prime (3642799169).

It is not a de Polignac number, because 3642799131 - 2⁷ = 3642799003 is a prime.

It is a super-2 number, since 2×3642799131² = 26539971017628710322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642719131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34050 + ... + 91896.

Almost surely, 2^3642799131 is an apocalyptic number.

3642799131 is a deficient number, since it is larger than the sum of its proper divisors (1619864821).

3642799131 is a wasteful number, since it uses less digits than its factorization.

3642799131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64850 (or 64847 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3642799131 is about 60355.6056302975. The cubic root of 3642799131 is about 1538.6685420695.

The spelling of 3642799131 in words is "three billion, six hundred forty-two million, seven hundred ninety-nine thousand, one hundred thirty-one".