26448490051 has 4 divisors (see below), whose sum is σ = 26453700504. Its totient is φ = 26443279600.

The previous prime is 26448490021. The next prime is 26448490091. The reversal of 26448490051 is 15009484462.

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 26448490051 - 2⁹ = 26448489539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26448490021) 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, 2597605 + ... + 2607766.

It is an arithmetic number, because the mean of its divisors is an integer number (6613425126).

Almost surely, 2^26448490051 is an apocalyptic number.

26448490051 is a deficient number, since it is larger than the sum of its proper divisors (5210453).

26448490051 is an equidigital number, since it uses as much as digits as its factorization.

26448490051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210452.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 26448490051 in words is "twenty-six billion, four hundred forty-eight million, four hundred ninety thousand, fifty-one".