5621313761 has 24 divisors (see below), whose sum is σ = 7043366880. Its totient is φ = 4458488832.

The previous prime is 5621313757. The next prime is 5621313773. The reversal of 5621313761 is 1673131265.

It is not a de Polignac number, because 5621313761 - 2² = 5621313757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5621313701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30176 + ... + 110241.

It is an arithmetic number, because the mean of its divisors is an integer number (293473620).

Almost surely, 2^5621313761 is an apocalyptic number.

It is an amenable number.

5621313761 is a deficient number, since it is larger than the sum of its proper divisors (1422053119).

5621313761 is a wasteful number, since it uses less digits than its factorization.

5621313761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140493 (or 140486 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 5621313761 is about 74975.4210458334. The cubic root of 5621313761 is about 1778.0580767191.

The spelling of 5621313761 in words is "five billion, six hundred twenty-one million, three hundred thirteen thousand, seven hundred sixty-one".