19042896016 has 15 divisors (see below), whose sum is σ = 36896680531. Its totient is φ = 9521172016.

The previous prime is 19042895987. The next prime is 19042896031. The reversal of 19042896016 is 61069824091.

It is a happy number.

The square root of 19042896016 is 137996.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 534735 + ... + 569233.

Almost surely, 2^19042896016 is an apocalyptic number.

19042896016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19042896016 is the 137996-th square number.

It is an amenable number.

19042896016 is a deficient number, since it is larger than the sum of its proper divisors (17853784515).

19042896016 is an frugal number, since it uses more digits than its factorization.

19042896016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69006 (or 34501 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 19042896016 in words is "nineteen billion, forty-two million, eight hundred ninety-six thousand, sixteen".