19125046388 has 24 divisors (see below), whose sum is σ = 39913141632. Its totient is φ = 7840080864.

The previous prime is 19125046337. The next prime is 19125046433. The reversal of 19125046388 is 88364052191.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 14847995 + ... + 14849282.

It is an arithmetic number, because the mean of its divisors is an integer number (1663047568).

Almost surely, 2^19125046388 is an apocalyptic number.

It is an amenable number.

19125046388 is an abundant number, since it is smaller than the sum of its proper divisors (20788095244).

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

19125046388 is a wasteful number, since it uses less digits than its factorization.

19125046388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29697311 (or 29697309 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 19125046388 in words is "nineteen billion, one hundred twenty-five million, forty-six thousand, three hundred eighty-eight".