4636879432 has 8 divisors (see below), whose sum is σ = 8694148950. Its totient is φ = 2318439712.

The previous prime is 4636879399. The next prime is 4636879433. The reversal of 4636879432 is 2349786364.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3144293476 + 1492585956 = 56074^2 + 38634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4636879432.

It is not an unprimeable number, because it can be changed into a prime (4636879433) by changing a digit.

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 as a sum of consecutive naturals, namely, 289804957 + ... + 289804972.

Almost surely, 2^4636879432 is an apocalyptic number.

It is an amenable number.

4636879432 is a deficient number, since it is larger than the sum of its proper divisors (4057269518).

4636879432 is a wasteful number, since it uses less digits than its factorization.

4636879432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579609935 (or 579609931 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 4636879432 is about 68094.6358533475. The cubic root of 4636879432 is about 1667.5361892305.

The spelling of 4636879432 in words is "four billion, six hundred thirty-six million, eight hundred seventy-nine thousand, four hundred thirty-two".