48961330621 has 6 divisors (see below), whose sum is σ = 56955017310. Its totient is φ = 41966854776.

The previous prime is 48961330619. The next prime is 48961330657. The reversal of 48961330621 is 12603316984.

It can be written as a sum of positive squares in only one way, i.e., 45016108900 + 3945221721 = 212170^2 + 62811^2 .

It is not a de Polignac number, because 48961330621 - 2¹ = 48961330619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48961336621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499605366 + ... + 499605463.

It is an arithmetic number, because the mean of its divisors is an integer number (9492502885).

Almost surely, 2^48961330621 is an apocalyptic number.

It is an amenable number.

48961330621 is a deficient number, since it is larger than the sum of its proper divisors (7993686689).

48961330621 is an equidigital number, since it uses as much as digits as its factorization.

48961330621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999210843 (or 999210836 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 48961330621 in words is "forty-eight billion, nine hundred sixty-one million, three hundred thirty thousand, six hundred twenty-one".