4961631720 has 64 divisors (see below), whose sum is σ = 14942905920. Its totient is φ = 1317945344.

The previous prime is 4961631677. The next prime is 4961631743. The reversal of 4961631720 is 271361694.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49602 + ... + 111281.

It is an arithmetic number, because the mean of its divisors is an integer number (233482905).

Almost surely, 2^4961631720 is an apocalyptic number.

4961631720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4961631720 is an abundant number, since it is smaller than the sum of its proper divisors (9981274200).

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

4961631720 is a wasteful number, since it uses less digits than its factorization.

4961631720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161154 (or 161150 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 4961631720 is about 70438.8509275953. The cubic root of 4961631720 is about 1705.5907883490.

The spelling of 4961631720 in words is "four billion, nine hundred sixty-one million, six hundred thirty-one thousand, seven hundred twenty".