25868419012 has 12 divisors (see below), whose sum is σ = 45387933696. Its totient is φ = 12900437960.

The previous prime is 25868418967. The next prime is 25868419013. The reversal of 25868419012 is 21091486852.

It is a super-2 number, since 2×25868419012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25868419013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8441164 + ... + 8444227.

It is an arithmetic number, because the mean of its divisors is an integer number (3782327808).

Almost surely, 2^25868419012 is an apocalyptic number.

It is an amenable number.

25868419012 is a deficient number, since it is larger than the sum of its proper divisors (19519514684).

25868419012 is a wasteful number, since it uses less digits than its factorization.

25868419012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16885778 (or 16885776 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 25868419012 in words is "twenty-five billion, eight hundred sixty-eight million, four hundred nineteen thousand, twelve".