4645642631 has 8 divisors (see below), whose sum is σ = 5364041760. Its totient is φ = 3940927488.

The previous prime is 4645642619. The next prime is 4645642679. The reversal of 4645642631 is 1362465464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4645642631 - 2²² = 4641448327 is a prime.

It is a super-2 number, since 2×4645642631² = 43163990909929204322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645642691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420266 + ... + 3421623.

It is an arithmetic number, because the mean of its divisors is an integer number (670505220).

Almost surely, 2^4645642631 is an apocalyptic number.

4645642631 is a deficient number, since it is larger than the sum of its proper divisors (718399129).

4645642631 is an equidigital number, since it uses as much as digits as its factorization.

4645642631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841993.

The product of its digits is 414720, while the sum is 41.

The square root of 4645642631 is about 68158.9512169898. The cubic root of 4645642631 is about 1668.5860156423.

The spelling of 4645642631 in words is "four billion, six hundred forty-five million, six hundred forty-two thousand, six hundred thirty-one".