25946875373 has 4 divisors (see below), whose sum is σ = 25947271740. Its totient is φ = 25946479008.

The previous prime is 25946875363. The next prime is 25946875403. The reversal of 25946875373 is 37357864952.

It is a happy number.

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 19925580964 + 6021294409 = 141158^2 + 77597^2 .

It is a cyclic number.

It is not a de Polignac number, because 25946875373 - 2²² = 25942681069 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 (25946875313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74090 + ... + 239547.

It is an arithmetic number, because the mean of its divisors is an integer number (6486817935).

Almost surely, 2^25946875373 is an apocalyptic number.

It is an amenable number.

25946875373 is a deficient number, since it is larger than the sum of its proper divisors (396367).

25946875373 is an equidigital number, since it uses as much as digits as its factorization.

25946875373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396366.

The product of its digits is 38102400, while the sum is 59.

The spelling of 25946875373 in words is "twenty-five billion, nine hundred forty-six million, eight hundred seventy-five thousand, three hundred seventy-three".