25419234612 has 24 divisors (see below), whose sum is σ = 60758171712. Its totient is φ = 8266417600.

The previous prime is 25419234593. The next prime is 25419234623. The reversal of 25419234612 is 21643291452.

It is a super-2 number, since 2×25419234612² (a number of 22 digits) contains 22 as substring.

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, 25832064 + ... + 25833047.

It is an arithmetic number, because the mean of its divisors is an integer number (2531590488).

Almost surely, 2^25419234612 is an apocalyptic number.

It is an amenable number.

25419234612 is an abundant number, since it is smaller than the sum of its proper divisors (35338937100).

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

25419234612 is a wasteful number, since it uses less digits than its factorization.

25419234612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51665159 (or 51665157 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 25419234612 in words is "twenty-five billion, four hundred nineteen million, two hundred thirty-four thousand, six hundred twelve".