25695343422 has 48 divisors (see below), whose sum is σ = 65983112832. Its totient is φ = 7341525720.

The previous prime is 25695343397. The next prime is 25695343459. The reversal of 25695343422 is 22434359652.

25695343422 is a `hidden beast` number, since 2 + 5 + 69 + 534 + 34 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3773104 + ... + 3779907.

It is an arithmetic number, because the mean of its divisors is an integer number (1374648184).

Almost surely, 2^25695343422 is an apocalyptic number.

25695343422 is an abundant number, since it is smaller than the sum of its proper divisors (40287769410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25695343422 is an equidigital number, since it uses as much as digits as its factorization.

25695343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553035 (or 7553023 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 25695343422 in words is "twenty-five billion, six hundred ninety-five million, three hundred forty-three thousand, four hundred twenty-two".