25302130449 has 8 divisors (see below), whose sum is σ = 33748229472. Its totient is φ = 16862059200.

The previous prime is 25302130369. The next prime is 25302130481. The reversal of 25302130449 is 94403120352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25302130449 - 2²³ = 25293741841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25302130499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497139 + ... + 1513944.

It is an arithmetic number, because the mean of its divisors is an integer number (4218528684).

Almost surely, 2^25302130449 is an apocalyptic number.

It is an amenable number.

25302130449 is a deficient number, since it is larger than the sum of its proper divisors (8446099023).

25302130449 is a wasteful number, since it uses less digits than its factorization.

25302130449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013887.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 25302130449 in words is "twenty-five billion, three hundred two million, one hundred thirty thousand, four hundred forty-nine".