19125927608 has 8 divisors (see below), whose sum is σ = 35861114280. Its totient is φ = 9562963800.

The previous prime is 19125927581. The next prime is 19125927641. The reversal of 19125927608 is 80672952191.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×19125927608² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195370468 + ... + 1195370483.

It is an arithmetic number, because the mean of its divisors is an integer number (4482639285).

Almost surely, 2^19125927608 is an apocalyptic number.

It is an amenable number.

19125927608 is a deficient number, since it is larger than the sum of its proper divisors (16735186672).

19125927608 is a wasteful number, since it uses less digits than its factorization.

19125927608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390740957 (or 2390740953 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 19125927608 in words is "nineteen billion, one hundred twenty-five million, nine hundred twenty-seven thousand, six hundred eight".