26415494279 has 2 divisors, whose sum is σ = 26415494280. Its totient is φ = 26415494278.

The previous prime is 26415494269. The next prime is 26415494333. The reversal of 26415494279 is 97249451462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26415494279 - 2⁸ = 26415494023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26415494279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26415494239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13207747139 + 13207747140.

It is an arithmetic number, because the mean of its divisors is an integer number (13207747140).

Almost surely, 2^26415494279 is an apocalyptic number.

26415494279 is a deficient number, since it is larger than the sum of its proper divisors (1).

26415494279 is an equidigital number, since it uses as much as digits as its factorization.

26415494279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 53.

The spelling of 26415494279 in words is "twenty-six billion, four hundred fifteen million, four hundred ninety-four thousand, two hundred seventy-nine".