25849477292 has 12 divisors (see below), whose sum is σ = 45566780280. Its totient is φ = 12830397216.

The previous prime is 25849477271. The next prime is 25849477309. The reversal of 25849477292 is 29277494852.

It is a super-5 number, since 5×25849477292⁵ (a number of 53 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23584742 + ... + 23585837.

It is an arithmetic number, because the mean of its divisors is an integer number (3797231690).

Almost surely, 2^25849477292 is an apocalyptic number.

It is an amenable number.

25849477292 is a deficient number, since it is larger than the sum of its proper divisors (19717302988).

25849477292 is a wasteful number, since it uses less digits than its factorization.

25849477292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47170720 (or 47170718 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 25849477292 in words is "twenty-five billion, eight hundred forty-nine million, four hundred seventy-seven thousand, two hundred ninety-two".