25422419071 has 6 divisors (see below), whose sum is σ = 29573018160. Its totient is φ = 21790644876.

The previous prime is 25422419069. The next prime is 25422419093. The reversal of 25422419071 is 17091422452.

It is not a de Polignac number, because 25422419071 - 2¹ = 25422419069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25422419071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422419171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259412391 + ... + 259412488.

It is an arithmetic number, because the mean of its divisors is an integer number (4928836360).

Almost surely, 2^25422419071 is an apocalyptic number.

25422419071 is a deficient number, since it is larger than the sum of its proper divisors (4150599089).

25422419071 is an equidigital number, since it uses as much as digits as its factorization.

25422419071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518824893 (or 518824886 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 25422419071 in words is "twenty-five billion, four hundred twenty-two million, four hundred nineteen thousand, seventy-one".