25429442912 has 24 divisors (see below), whose sum is σ = 50109922296. Its totient is φ = 12703113472.

The previous prime is 25429442897. The next prime is 25429442921. The reversal of 25429442912 is 21924492452.

It is a congruent number.

It is an unprimeable number.

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, 327098 + ... + 397305.

It is an arithmetic number, because the mean of its divisors is an integer number (2087913429).

Almost surely, 2^25429442912 is an apocalyptic number.

It is an amenable number.

25429442912 is a deficient number, since it is larger than the sum of its proper divisors (24680479384).

25429442912 is a wasteful number, since it uses less digits than its factorization.

25429442912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725510 (or 725502 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 25429442912 in words is "twenty-five billion, four hundred twenty-nine million, four hundred forty-two thousand, nine hundred twelve".