262563654979 has 2 divisors, whose sum is σ = 262563654980. Its totient is φ = 262563654978.

The previous prime is 262563654961. The next prime is 262563655009. The reversal of 262563654979 is 979456365262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 262563654979 - 2¹⁹ = 262563130691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 262563654979.

It is not a weakly prime, because it can be changed into another prime (262563654929) 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, 131281827489 + 131281827490.

It is an arithmetic number, because the mean of its divisors is an integer number (131281827490).

Almost surely, 2^262563654979 is an apocalyptic number.

262563654979 is a deficient number, since it is larger than the sum of its proper divisors (1).

262563654979 is an equidigital number, since it uses as much as digits as its factorization.

262563654979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 64.

The spelling of 262563654979 in words is "two hundred sixty-two billion, five hundred sixty-three million, six hundred fifty-four thousand, nine hundred seventy-nine".