10313554621 has 2 divisors, whose sum is σ = 10313554622. Its totient is φ = 10313554620.

The previous prime is 10313554607. The next prime is 10313554631. The reversal of 10313554621 is 12645531301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5595788025 + 4717766596 = 74805^2 + 68686^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313554621 - 2¹⁵ = 10313521853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10313554631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156777310 + 5156777311.

It is an arithmetic number, because the mean of its divisors is an integer number (5156777311).

Almost surely, 2^10313554621 is an apocalyptic number.

It is an amenable number.

10313554621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313554621 is an equidigital number, since it uses as much as digits as its factorization.

10313554621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 10313554621 in words is "ten billion, three hundred thirteen million, five hundred fifty-four thousand, six hundred twenty-one".