10504033681 has 2 divisors, whose sum is σ = 10504033682. Its totient is φ = 10504033680.

The previous prime is 10504033667. The next prime is 10504033699. The reversal of 10504033681 is 18633040501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10199182081 + 304851600 = 100991^2 + 17460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10504033681 - 2⁵ = 10504033649 is a prime.

It is a super-2 number, since 2×10504033681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10504033601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252016840 + 5252016841.

It is an arithmetic number, because the mean of its divisors is an integer number (5252016841).

Almost surely, 2^10504033681 is an apocalyptic number.

It is an amenable number.

10504033681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10504033681 is an equidigital number, since it uses as much as digits as its factorization.

10504033681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 10504033681 in words is "ten billion, five hundred four million, thirty-three thousand, six hundred eighty-one".