264977622769 has 2 divisors, whose sum is σ = 264977622770. Its totient is φ = 264977622768.

The previous prime is 264977622713. The next prime is 264977622773. The reversal of 264977622769 is 967226779462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194705975025 + 70271647744 = 441255^2 + 265088^2 .

It is a cyclic number.

It is not a de Polignac number, because 264977622769 - 2²⁷ = 264843405041 is a prime.

It is a super-2 number, since 2×264977622769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264977622869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132488811384 + 132488811385.

It is an arithmetic number, because the mean of its divisors is an integer number (132488811385).

Almost surely, 2^264977622769 is an apocalyptic number.

It is an amenable number.

264977622769 is a deficient number, since it is larger than the sum of its proper divisors (1).

264977622769 is an equidigital number, since it uses as much as digits as its factorization.

264977622769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192036096, while the sum is 67.

The spelling of 264977622769 in words is "two hundred sixty-four billion, nine hundred seventy-seven million, six hundred twenty-two thousand, seven hundred sixty-nine".