26453460499 has 2 divisors, whose sum is σ = 26453460500. Its totient is φ = 26453460498.

The previous prime is 26453460493. The next prime is 26453460559. The reversal of 26453460499 is 99406435462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26453460499 is a prime.

It is not a weakly prime, because it can be changed into another prime (26453460493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13226730249 + 13226730250.

It is an arithmetic number, because the mean of its divisors is an integer number (13226730250).

Almost surely, 2^26453460499 is an apocalyptic number.

26453460499 is a deficient number, since it is larger than the sum of its proper divisors (1).

26453460499 is an equidigital number, since it uses as much as digits as its factorization.

26453460499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 26453460499 in words is "twenty-six billion, four hundred fifty-three million, four hundred sixty thousand, four hundred ninety-nine".