4643427980 has 24 divisors (see below), whose sum is σ = 9958673088. Its totient is φ = 1817852288.

The previous prime is 4643427977. The next prime is 4643427989. The reversal of 4643427980 is 897243464.

It is a happy number.

It is a super-2 number, since 2×4643427980² = 43122846810893760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (4643427989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468969 + ... + 2470848.

It is an arithmetic number, because the mean of its divisors is an integer number (414944712).

Almost surely, 2^4643427980 is an apocalyptic number.

It is an amenable number.

4643427980 is an abundant number, since it is smaller than the sum of its proper divisors (5315245108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4643427980 is a wasteful number, since it uses less digits than its factorization.

4643427980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939873 (or 4939871 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 4643427980 is about 68142.7030576275. The cubic root of 4643427980 is about 1668.3208264213.

The spelling of 4643427980 in words is "four billion, six hundred forty-three million, four hundred twenty-seven thousand, nine hundred eighty".