26707350491 has 4 divisors (see below), whose sum is σ = 26710133184. Its totient is φ = 26704567800.

The previous prime is 26707350391. The next prime is 26707350499. The reversal of 26707350491 is 19405370762.

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 26707350491 - 2³⁴ = 9527481307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26707350499) 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, 1376900 + ... + 1396161.

It is an arithmetic number, because the mean of its divisors is an integer number (6677533296).

Almost surely, 2^26707350491 is an apocalyptic number.

26707350491 is a deficient number, since it is larger than the sum of its proper divisors (2782693).

26707350491 is an equidigital number, since it uses as much as digits as its factorization.

26707350491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782692.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 26707350491 in words is "twenty-six billion, seven hundred seven million, three hundred fifty thousand, four hundred ninety-one".