25614294913 has 4 divisors (see below), whose sum is σ = 25615033668. Its totient is φ = 25613556160.

The previous prime is 25614294889. The next prime is 25614294919. The reversal of 25614294913 is 31949241652.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4248041329 + 21366253584 = 65177^2 + 146172^2 .

It is a cyclic number.

It is not a de Polignac number, because 25614294913 - 2⁹ = 25614294401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25614294919) 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, 314668 + ... + 387613.

It is an arithmetic number, because the mean of its divisors is an integer number (6403758417).

Almost surely, 2^25614294913 is an apocalyptic number.

It is an amenable number.

25614294913 is a deficient number, since it is larger than the sum of its proper divisors (738755).

25614294913 is an equidigital number, since it uses as much as digits as its factorization.

25614294913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738754.

The product of its digits is 466560, while the sum is 46.

The spelling of 25614294913 in words is "twenty-five billion, six hundred fourteen million, two hundred ninety-four thousand, nine hundred thirteen".