28596448961 has 2 divisors, whose sum is σ = 28596448962. Its totient is φ = 28596448960.

The previous prime is 28596448943. The next prime is 28596448999. The reversal of 28596448961 is 16984469582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27107646736 + 1488802225 = 164644^2 + 38585^2 .

It is a cyclic number.

It is not a de Polignac number, because 28596448961 - 2²² = 28592254657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28596448894 and 28596448903.

It is not a weakly prime, because it can be changed into another prime (28596448061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14298224480 + 14298224481.

It is an arithmetic number, because the mean of its divisors is an integer number (14298224481).

Almost surely, 2^28596448961 is an apocalyptic number.

It is an amenable number.

28596448961 is a deficient number, since it is larger than the sum of its proper divisors (1).

28596448961 is an equidigital number, since it uses as much as digits as its factorization.

28596448961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 62.

The spelling of 28596448961 in words is "twenty-eight billion, five hundred ninety-six million, four hundred forty-eight thousand, nine hundred sixty-one".