26452451791 has 4 divisors (see below), whose sum is σ = 27097633584. Its totient is φ = 25807270000.

The previous prime is 26452451749. The next prime is 26452451797. The reversal of 26452451791 is 19715425462.

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 26452451791 - 2¹³ = 26452443599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26452451797) 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, 322590835 + ... + 322590916.

It is an arithmetic number, because the mean of its divisors is an integer number (6774408396).

Almost surely, 2^26452451791 is an apocalyptic number.

26452451791 is a deficient number, since it is larger than the sum of its proper divisors (645181793).

26452451791 is an equidigital number, since it uses as much as digits as its factorization.

26452451791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645181792.

The product of its digits is 604800, while the sum is 46.

The spelling of 26452451791 in words is "twenty-six billion, four hundred fifty-two million, four hundred fifty-one thousand, seven hundred ninety-one".