3862645885431 has 6 divisors (see below), whose sum is σ = 5579377390080. Its totient is φ = 2575097256948.

The previous prime is 3862645885429. The next prime is 3862645885453. The reversal of 3862645885431 is 1345885462683.

3862645885431 is a `hidden beast` number, since 3 + 8 + 6 + 2 + 6 + 4 + 5 + 88 + 543 + 1 = 666.

It is not a de Polignac number, because 3862645885431 - 2¹ = 3862645885429 is a prime.

It is a super-2 number, since 2×3862645885431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862645885471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214591438071 + ... + 214591438088.

It is an arithmetic number, because the mean of its divisors is an integer number (929896231680).

Almost surely, 2^{3862645885431} is an apocalyptic number.

3862645885431 is a deficient number, since it is larger than the sum of its proper divisors (1716731504649).

3862645885431 is a wasteful number, since it uses less digits than its factorization.

3862645885431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429182876165 (or 429182876162 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 63.

The spelling of 3862645885431 in words is "three trillion, eight hundred sixty-two billion, six hundred forty-five million, eight hundred eighty-five thousand, four hundred thirty-one".