26457664363 has 12 divisors (see below), whose sum is σ = 29258994528. Its totient is φ = 23902825440.

The previous prime is 26457664357. The next prime is 26457664381. The reversal of 26457664363 is 36346675462.

It is not a de Polignac number, because 26457664363 - 2⁹ = 26457663851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26457664363.

It is not an unprimeable number, because it can be changed into a prime (26457064363) 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 in 11 ways as a sum of consecutive naturals, for example, 1657528 + ... + 1673413.

It is an arithmetic number, because the mean of its divisors is an integer number (2438249544).

Almost surely, 2^26457664363 is an apocalyptic number.

26457664363 is a deficient number, since it is larger than the sum of its proper divisors (2801330165).

26457664363 is a wasteful number, since it uses less digits than its factorization.

26457664363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331014 (or 3331001 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 52.

The spelling of 26457664363 in words is "twenty-six billion, four hundred fifty-seven million, six hundred sixty-four thousand, three hundred sixty-three".