26492797565 has 32 divisors (see below), whose sum is σ = 34956665856. Its totient is φ = 19154154240.

The previous prime is 26492797559. The next prime is 26492797567. The reversal of 26492797565 is 56579729462.

It is not a de Polignac number, because 26492797565 - 2²⁴ = 26476020349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26492797498 and 26492797507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26492797567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669820 + ... + 1685610.

It is an arithmetic number, because the mean of its divisors is an integer number (1092395808).

Almost surely, 2^26492797565 is an apocalyptic number.

It is an amenable number.

26492797565 is a deficient number, since it is larger than the sum of its proper divisors (8463868291).

26492797565 is a wasteful number, since it uses less digits than its factorization.

26492797565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16349.

The product of its digits is 57153600, while the sum is 62.

The spelling of 26492797565 in words is "twenty-six billion, four hundred ninety-two million, seven hundred ninety-seven thousand, five hundred sixty-five".