10310891761 has 2 divisors, whose sum is σ = 10310891762. Its totient is φ = 10310891760.

The previous prime is 10310891749. The next prime is 10310891771. The reversal of 10310891761 is 16719801301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5811165361 + 4499726400 = 76231^2 + 67080^2 .

It is a cyclic number.

It is not a de Polignac number, because 10310891761 - 2⁵ = 10310891729 is a prime.

It is a super-2 number, since 2×10310891761² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10310891761.

It is not a weakly prime, because it can be changed into another prime (10310891771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155445880 + 5155445881.

It is an arithmetic number, because the mean of its divisors is an integer number (5155445881).

Almost surely, 2^10310891761 is an apocalyptic number.

It is an amenable number.

10310891761 is a deficient number, since it is larger than the sum of its proper divisors (1).

10310891761 is an equidigital number, since it uses as much as digits as its factorization.

10310891761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 10310891761 in words is "ten billion, three hundred ten million, eight hundred ninety-one thousand, seven hundred sixty-one".