19272909092 has 24 divisors (see below), whose sum is σ = 34143814656. Its totient is φ = 9517600928.

The previous prime is 19272909091. The next prime is 19272909101. The reversal of 19272909092 is 29090927291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19272909092.

It is not an unprimeable number, because it can be changed into a prime (19272909091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613213 + ... + 1625115.

It is an arithmetic number, because the mean of its divisors is an integer number (1422658944).

Almost surely, 2^19272909092 is an apocalyptic number.

It is an amenable number.

19272909092 is a deficient number, since it is larger than the sum of its proper divisors (14870905564).

19272909092 is a wasteful number, since it uses less digits than its factorization.

19272909092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867 (or 16865 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 50.

The spelling of 19272909092 in words is "nineteen billion, two hundred seventy-two million, nine hundred nine thousand, ninety-two".