19054012616 has 32 divisors (see below), whose sum is σ = 36943698240. Its totient is φ = 9207726528.

The previous prime is 19054012609. The next prime is 19054012657. The reversal of 19054012616 is 61621045091.

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, 306956 + ... + 363771.

It is an arithmetic number, because the mean of its divisors is an integer number (1154490570).

Almost surely, 2^19054012616 is an apocalyptic number.

It is an amenable number.

19054012616 is a deficient number, since it is larger than the sum of its proper divisors (17889685624).

19054012616 is a wasteful number, since it uses less digits than its factorization.

19054012616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670853 (or 670849 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 19054012616 in words is "nineteen billion, fifty-four million, twelve thousand, six hundred sixteen".