19625225942 has 16 divisors (see below), whose sum is σ = 33645078432. Its totient is φ = 8410352640.

The previous prime is 19625225891. The next prime is 19625225959. The reversal of 19625225942 is 24952252691.

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, 405392 + ... + 451212.

It is an arithmetic number, because the mean of its divisors is an integer number (2102817402).

Almost surely, 2^19625225942 is an apocalyptic number.

19625225942 is a deficient number, since it is larger than the sum of its proper divisors (14019852490).

19625225942 is a wasteful number, since it uses less digits than its factorization.

19625225942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76423.

The product of its digits is 777600, while the sum is 47.

The spelling of 19625225942 in words is "nineteen billion, six hundred twenty-five million, two hundred twenty-five thousand, nine hundred forty-two".