26412875291 has 4 divisors (see below), whose sum is σ = 28814045784. Its totient is φ = 24011704800.

The previous prime is 26412875249. The next prime is 26412875297. The reversal of 26412875291 is 19257821462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26412875291 - 2⁶ = 26412875227 is a prime.

It is a super-2 number, since 2×26412875291² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26412875297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200585230 + ... + 1200585251.

It is an arithmetic number, because the mean of its divisors is an integer number (7203511446).

Almost surely, 2^26412875291 is an apocalyptic number.

26412875291 is a deficient number, since it is larger than the sum of its proper divisors (2401170493).

26412875291 is a wasteful number, since it uses less digits than its factorization.

26412875291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401170492.

The product of its digits is 483840, while the sum is 47.

The spelling of 26412875291 in words is "twenty-six billion, four hundred twelve million, eight hundred seventy-five thousand, two hundred ninety-one".