4939661830 has 32 divisors (see below), whose sum is σ = 9182815488. Its totient is φ = 1911168000.

The previous prime is 4939661821. The next prime is 4939661833. The reversal of 4939661830 is 381669394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939661833) 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 15 ways as a sum of consecutive naturals, for example, 1173730 + ... + 1177930.

It is an arithmetic number, because the mean of its divisors is an integer number (286962984).

Almost surely, 2^4939661830 is an apocalyptic number.

4939661830 is a deficient number, since it is larger than the sum of its proper divisors (4243153658).

4939661830 is a wasteful number, since it uses less digits than its factorization.

4939661830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 4939661830 is about 70282.7278212791. The cubic root of 4939661830 is about 1703.0696361567.

The spelling of 4939661830 in words is "four billion, nine hundred thirty-nine million, six hundred sixty-one thousand, eight hundred thirty".