25342450339 has 4 divisors (see below), whose sum is σ = 25342832656. Its totient is φ = 25342068024.

The previous prime is 25342450327. The next prime is 25342450351. The reversal of 25342450339 is 93305424352.

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

It is an interprime number because it is at equal distance from previous prime (25342450327) and next prime (25342450351).

It is a cyclic number.

It is not a de Polignac number, because 25342450339 - 2²⁷ = 25208232611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25342450319) 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, 63159 + ... + 233824.

It is an arithmetic number, because the mean of its divisors is an integer number (6335708164).

Almost surely, 2^25342450339 is an apocalyptic number.

25342450339 is a deficient number, since it is larger than the sum of its proper divisors (382317).

25342450339 is an equidigital number, since it uses as much as digits as its factorization.

25342450339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382316.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 25342450339 in words is "twenty-five billion, three hundred forty-two million, four hundred fifty thousand, three hundred thirty-nine".