26345477454319 has 2 divisors, whose sum is σ = 26345477454320. Its totient is φ = 26345477454318.

The previous prime is 26345477454313. The next prime is 26345477454409. The reversal of 26345477454319 is 91345477454362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26345477454319 is a prime.

It is a super-2 number, since 2×26345477454319² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26345477454313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13172738727159 + 13172738727160.

It is an arithmetic number, because the mean of its divisors is an integer number (13172738727160).

Almost surely, 2^{26345477454319} is an apocalyptic number.

26345477454319 is a deficient number, since it is larger than the sum of its proper divisors (1).

26345477454319 is an equidigital number, since it uses as much as digits as its factorization.

26345477454319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 304819200, while the sum is 64.

The spelling of 26345477454319 in words is "twenty-six trillion, three hundred forty-five billion, four hundred seventy-seven million, four hundred fifty-four thousand, three hundred nineteen".