4636879425 has 30 divisors (see below), whose sum is σ = 8589107318. Its totient is φ = 2473001280.

The previous prime is 4636879399. The next prime is 4636879433. The reversal of 4636879425 is 5249786364.

It can be written as a sum of positive squares in 3 ways, for example, as 2537649 + 4634341776 = 1593^2 + 68076^2 .

It is not a de Polignac number, because 4636879425 - 2⁵ = 4636879393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1142884 + ... + 1146933.

Almost surely, 2^4636879425 is an apocalyptic number.

4636879425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4636879425 is a deficient number, since it is larger than the sum of its proper divisors (3952227893).

4636879425 is a wasteful number, since it uses less digits than its factorization.

4636879425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289839 (or 2289825 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 4636879425 is about 68094.6358019485. The cubic root of 4636879425 is about 1667.5361883914.

The spelling of 4636879425 in words is "four billion, six hundred thirty-six million, eight hundred seventy-nine thousand, four hundred twenty-five".