25422434431153 has 4 divisors (see below), whose sum is σ = 25427916953460. Its totient is φ = 25416951908848.

The previous prime is 25422434431127. The next prime is 25422434431187. The reversal of 25422434431153 is 35113443422452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3596420194929 + 21826014236224 = 1896423^2 + 4671832^2 .

It is a cyclic number.

It is not a de Polignac number, because 25422434431153 - 2²¹ = 25422432334001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25422434431103) 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, 2741254198 + ... + 2741263471.

It is an arithmetic number, because the mean of its divisors is an integer number (6356979238365).

Almost surely, 2^{25422434431153} is an apocalyptic number.

It is an amenable number.

25422434431153 is a deficient number, since it is larger than the sum of its proper divisors (5482522307).

25422434431153 is an equidigital number, since it uses as much as digits as its factorization.

25422434431153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482522306.

The product of its digits is 1382400, while the sum is 43.

The spelling of 25422434431153 in words is "twenty-five trillion, four hundred twenty-two billion, four hundred thirty-four million, four hundred thirty-one thousand, one hundred fifty-three".