26677792969 has 2 divisors, whose sum is σ = 26677792970. Its totient is φ = 26677792968.

The previous prime is 26677792961. The next prime is 26677792991. The reversal of 26677792969 is 96929777662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14541465744 + 12136327225 = 120588^2 + 110165^2 .

It is a cyclic number.

It is not a de Polignac number, because 26677792969 - 2³ = 26677792961 is a prime.

It is a super-2 number, since 2×26677792969² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26677792898 and 26677792907.

It is not a weakly prime, because it can be changed into another prime (26677792961) 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, 13338896484 + 13338896485.

It is an arithmetic number, because the mean of its divisors is an integer number (13338896485).

Almost surely, 2^26677792969 is an apocalyptic number.

It is an amenable number.

26677792969 is a deficient number, since it is larger than the sum of its proper divisors (1).

26677792969 is an equidigital number, since it uses as much as digits as its factorization.

26677792969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216040608, while the sum is 70.

The spelling of 26677792969 in words is "twenty-six billion, six hundred seventy-seven million, seven hundred ninety-two thousand, nine hundred sixty-nine".