25109247383 has 4 divisors (see below), whose sum is σ = 27391906248. Its totient is φ = 22826588520.

The previous prime is 25109247349. The next prime is 25109247421. The reversal of 25109247383 is 38374290152.

It is a happy number.

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 25109247383 - 2³² = 20814280087 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 (25109247083) 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, 1141329416 + ... + 1141329437.

It is an arithmetic number, because the mean of its divisors is an integer number (6847976562).

Almost surely, 2^25109247383 is an apocalyptic number.

25109247383 is a deficient number, since it is larger than the sum of its proper divisors (2282658865).

25109247383 is a wasteful number, since it uses less digits than its factorization.

25109247383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282658864.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 25109247383 in words is "twenty-five billion, one hundred nine million, two hundred forty-seven thousand, three hundred eighty-three".