4731600645 has 24 divisors (see below), whose sum is σ = 8227337976. Its totient is φ = 2515552128.

The previous prime is 4731600637. The next prime is 4731600677. The reversal of 4731600645 is 5460061374.

It is a happy number.

4731600645 is a `hidden beast` number, since 4 + 7 + 3 + 1 + 6 + 0 + 0 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 527115681 + 4204484964 = 22959^2 + 64842^2 .

It is not a de Polignac number, because 4731600645 - 2³ = 4731600637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151582 + ... + 180111.

It is an arithmetic number, because the mean of its divisors is an integer number (342805749).

Almost surely, 2^4731600645 is an apocalyptic number.

4731600645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4731600645 is a deficient number, since it is larger than the sum of its proper divisors (3495737331).

4731600645 is a wasteful number, since it uses less digits than its factorization.

4731600645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332021 (or 332018 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 4731600645 is about 68786.6312956231. The cubic root of 4731600645 is about 1678.8144324678.

The spelling of 4731600645 in words is "four billion, seven hundred thirty-one million, six hundred thousand, six hundred forty-five".