26364234553 has 2 divisors, whose sum is σ = 26364234554. Its totient is φ = 26364234552.

The previous prime is 26364234527. The next prime is 26364234563. The reversal of 26364234553 is 35543246362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23609244409 + 2754990144 = 153653^2 + 52488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26364234553 is a prime.

It is not a weakly prime, because it can be changed into another prime (26364234563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13182117276 + 13182117277.

It is an arithmetic number, because the mean of its divisors is an integer number (13182117277).

Almost surely, 2^26364234553 is an apocalyptic number.

It is an amenable number.

26364234553 is a deficient number, since it is larger than the sum of its proper divisors (1).

26364234553 is an equidigital number, since it uses as much as digits as its factorization.

26364234553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 43.

The spelling of 26364234553 in words is "twenty-six billion, three hundred sixty-four million, two hundred thirty-four thousand, five hundred fifty-three".