26641790051 has 4 divisors (see below), whose sum is σ = 26644846704. Its totient is φ = 26638733400.

The previous prime is 26641790047. The next prime is 26641790069. The reversal of 26641790051 is 15009714662.

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 26641790051 - 2² = 26641790047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26641789990 and 26641790008.

It is not an unprimeable number, because it can be changed into a prime (26641790041) 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, 1515215 + ... + 1532696.

It is an arithmetic number, because the mean of its divisors is an integer number (6661211676).

Almost surely, 2^26641790051 is an apocalyptic number.

26641790051 is a deficient number, since it is larger than the sum of its proper divisors (3056653).

26641790051 is an equidigital number, since it uses as much as digits as its factorization.

26641790051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056652.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 26641790051 in words is "twenty-six billion, six hundred forty-one million, seven hundred ninety thousand, fifty-one".