25961499214 has 16 divisors (see below), whose sum is σ = 44515732608. Its totient is φ = 11123780472.

The previous prime is 25961499197. The next prime is 25961499283. The reversal of 25961499214 is 41299416952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151432 + ... + 273595.

It is an arithmetic number, because the mean of its divisors is an integer number (2782233288).

Almost surely, 2^25961499214 is an apocalyptic number.

25961499214 is a deficient number, since it is larger than the sum of its proper divisors (18554233394).

25961499214 is a wasteful number, since it uses less digits than its factorization.

25961499214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429399.

The product of its digits is 1399680, while the sum is 52.

The spelling of 25961499214 in words is "twenty-five billion, nine hundred sixty-one million, four hundred ninety-nine thousand, two hundred fourteen".