25496197441 has 16 divisors (see below), whose sum is σ = 29959832448. Its totient is φ = 21390940800.

The previous prime is 25496197381. The next prime is 25496197469. The reversal of 25496197441 is 14479169452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25496197441 - 2⁷ = 25496197313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25496197471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790860 + ... + 822466.

It is an arithmetic number, because the mean of its divisors is an integer number (1872489528).

Almost surely, 2^25496197441 is an apocalyptic number.

It is an amenable number.

25496197441 is a deficient number, since it is larger than the sum of its proper divisors (4463635007).

25496197441 is a wasteful number, since it uses less digits than its factorization.

25496197441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37272.

The product of its digits is 2177280, while the sum is 52.

The spelling of 25496197441 in words is "twenty-five billion, four hundred ninety-six million, one hundred ninety-seven thousand, four hundred forty-one".