25098728235 has 32 divisors (see below), whose sum is σ = 46523527680. Its totient is φ = 11316526848.

The previous prime is 25098728231. The next prime is 25098728251. The reversal of 25098728235 is 53282789052.

It is a happy number.

It is not a de Polignac number, because 25098728235 - 2² = 25098728231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25098728231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1629565 + ... + 1644894.

It is an arithmetic number, because the mean of its divisors is an integer number (1453860240).

Almost surely, 2^25098728235 is an apocalyptic number.

25098728235 is a deficient number, since it is larger than the sum of its proper divisors (21424799445).

25098728235 is a wasteful number, since it uses less digits than its factorization.

25098728235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274547.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 25098728235 in words is "twenty-five billion, ninety-eight million, seven hundred twenty-eight thousand, two hundred thirty-five".