25795459751 has 4 divisors (see below), whose sum is σ = 25795854504. Its totient is φ = 25795065000.

The previous prime is 25795459681. The next prime is 25795459757. The reversal of 25795459751 is 15795459752.

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 25795459751 - 2¹⁴ = 25795443367 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 (25795459757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73400 + ... + 238701.

It is an arithmetic number, because the mean of its divisors is an integer number (6448963626).

Almost surely, 2^25795459751 is an apocalyptic number.

25795459751 is a deficient number, since it is larger than the sum of its proper divisors (394753).

25795459751 is an equidigital number, since it uses as much as digits as its factorization.

25795459751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394752.

The product of its digits is 19845000, while the sum is 59.

Subtracting from 25795459751 its reverse (15795459752), we obtain a palindrome (9999999999).

The spelling of 25795459751 in words is "twenty-five billion, seven hundred ninety-five million, four hundred fifty-nine thousand, seven hundred fifty-one".