2634957263563 has 2 divisors, whose sum is σ = 2634957263564. Its totient is φ = 2634957263562.

The previous prime is 2634957263539. The next prime is 2634957263567. The reversal of 2634957263563 is 3653627594362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2634957263563 - 2⁹ = 2634957263051 is a prime.

It is a super-3 number, since 3×2634957263563³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2634957263567) 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, 1317478631781 + 1317478631782.

It is an arithmetic number, because the mean of its divisors is an integer number (1317478631782).

Almost surely, 2^{2634957263563} is an apocalyptic number.

2634957263563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634957263563 is an equidigital number, since it uses as much as digits as its factorization.

2634957263563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 61.

The spelling of 2634957263563 in words is "two trillion, six hundred thirty-four billion, nine hundred fifty-seven million, two hundred sixty-three thousand, five hundred sixty-three".