26453731797 has 24 divisors (see below), whose sum is σ = 39453090560. Its totient is φ = 17062799040.

The previous prime is 26453731789. The next prime is 26453731813. The reversal of 26453731797 is 79713735462.

26453731797 is a `hidden beast` number, since 2 + 6 + 4 + 537 + 3 + 17 + 97 = 666.

It is not a de Polignac number, because 26453731797 - 2³ = 26453731789 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26453731097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503153 + ... + 1520649.

Almost surely, 2^26453731797 is an apocalyptic number.

It is an amenable number.

26453731797 is a deficient number, since it is larger than the sum of its proper divisors (12999358763).

26453731797 is a wasteful number, since it uses less digits than its factorization.

26453731797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22953 (or 22950 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The spelling of 26453731797 in words is "twenty-six billion, four hundred fifty-three million, seven hundred thirty-one thousand, seven hundred ninety-seven".