25714354812 has 12 divisors (see below), whose sum is σ = 60000161256. Its totient is φ = 8571451600.

The previous prime is 25714354801. The next prime is 25714354829. The reversal of 25714354812 is 21845341752.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25714354812² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1071431439 + ... + 1071431462.

It is an arithmetic number, because the mean of its divisors is an integer number (5000013438).

Almost surely, 2^25714354812 is an apocalyptic number.

It is an amenable number.

25714354812 is an abundant number, since it is smaller than the sum of its proper divisors (34285806444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25714354812 is a wasteful number, since it uses less digits than its factorization.

25714354812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142862908 (or 2142862906 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The spelling of 25714354812 in words is "twenty-five billion, seven hundred fourteen million, three hundred fifty-four thousand, eight hundred twelve".