26472108961 has 2 divisors, whose sum is σ = 26472108962. Its totient is φ = 26472108960.

The previous prime is 26472108937. The next prime is 26472108997. The reversal of 26472108961 is 16980127462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25207595361 + 1264513600 = 158769^2 + 35560^2 .

It is a cyclic number.

It is not a de Polignac number, because 26472108961 - 2²⁵ = 26438554529 is a prime.

It is not a weakly prime, because it can be changed into another prime (26472108461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13236054480 + 13236054481.

It is an arithmetic number, because the mean of its divisors is an integer number (13236054481).

Almost surely, 2^26472108961 is an apocalyptic number.

It is an amenable number.

26472108961 is a deficient number, since it is larger than the sum of its proper divisors (1).

26472108961 is an equidigital number, since it uses as much as digits as its factorization.

26472108961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 26472108961 in words is "twenty-six billion, four hundred seventy-two million, one hundred eight thousand, nine hundred sixty-one".