25684270141 has 4 divisors (see below), whose sum is σ = 26036109532. Its totient is φ = 25332430752.

The previous prime is 25684270081. The next prime is 25684270219. The reversal of 25684270141 is 14107248652.

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 15770085241 + 9914184900 = 125579^2 + 99570^2 .

It is a cyclic number.

It is not a de Polignac number, because 25684270141 - 2⁷ = 25684270013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25684270094 and 25684270103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25684270841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175919586 + ... + 175919731.

It is an arithmetic number, because the mean of its divisors is an integer number (6509027383).

Almost surely, 2^25684270141 is an apocalyptic number.

It is an amenable number.

25684270141 is a deficient number, since it is larger than the sum of its proper divisors (351839391).

25684270141 is an equidigital number, since it uses as much as digits as its factorization.

25684270141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351839390.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 25684270141 in words is "twenty-five billion, six hundred eighty-four million, two hundred seventy thousand, one hundred forty-one".