5613371021 has 2 divisors, whose sum is σ = 5613371022. Its totient is φ = 5613371020.

The previous prime is 5613371011. The next prime is 5613371087. The reversal of 5613371021 is 1201733165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3470977225 + 2142393796 = 58915^2 + 46286^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613371021 - 2²⁶ = 5546262157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5613371011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806685510 + 2806685511.

It is an arithmetic number, because the mean of its divisors is an integer number (2806685511).

Almost surely, 2^5613371021 is an apocalyptic number.

It is an amenable number.

5613371021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613371021 is an equidigital number, since it uses as much as digits as its factorization.

5613371021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 5613371021 is about 74922.4333627786. The cubic root of 5613371021 is about 1777.2202352193.

The spelling of 5613371021 in words is "five billion, six hundred thirteen million, three hundred seventy-one thousand, twenty-one".