10645654081 has 2 divisors, whose sum is σ = 10645654082. Its totient is φ = 10645654080.

The previous prime is 10645654013. The next prime is 10645654127. The reversal of 10645654081 is 18045654601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9009047056 + 1636607025 = 94916^2 + 40455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645654081 - 2²³ = 10637265473 is a prime.

It is a super-2 number, since 2×10645654081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10645652081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322827040 + 5322827041.

It is an arithmetic number, because the mean of its divisors is an integer number (5322827041).

Almost surely, 2^10645654081 is an apocalyptic number.

It is an amenable number.

10645654081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645654081 is an equidigital number, since it uses as much as digits as its factorization.

10645654081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 10645654081 in words is "ten billion, six hundred forty-five million, six hundred fifty-four thousand, eighty-one".