25963841994892 has 12 divisors (see below), whose sum is σ = 45442203795576. Its totient is φ = 12980355196160.

The previous prime is 25963841994887. The next prime is 25963841994931. The reversal of 25963841994892 is 29849914836952.

It is a happy number.

It is a super-2 number, since 2×25963841994892² (a number of 28 digits) contains 22 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, 391413013 + ... + 391479340.

It is an arithmetic number, because the mean of its divisors is an integer number (3786850316298).

Almost surely, 2^{25963841994892} is an apocalyptic number.

It is an amenable number.

25963841994892 is a deficient number, since it is larger than the sum of its proper divisors (19478361800684).

25963841994892 is a wasteful number, since it uses less digits than its factorization.

25963841994892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782900648 (or 782900646 counting only the distinct ones).

The product of its digits is 2418647040, while the sum is 79.

The spelling of 25963841994892 in words is "twenty-five trillion, nine hundred sixty-three billion, eight hundred forty-one million, nine hundred ninety-four thousand, eight hundred ninety-two".