19000380999 has 16 divisors (see below), whose sum is σ = 25674969600. Its totient is φ = 12496784256.

The previous prime is 19000380977. The next prime is 19000381019. The reversal of 19000380999 is 99908300091.

It is not a de Polignac number, because 19000380999 - 2⁵ = 19000380967 is a prime.

It is a super-2 number, since 2×19000380999² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19000380199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125967 + ... + 232095.

It is an arithmetic number, because the mean of its divisors is an integer number (1604685600).

Almost surely, 2^19000380999 is an apocalyptic number.

19000380999 is a deficient number, since it is larger than the sum of its proper divisors (6674588601).

19000380999 is a wasteful number, since it uses less digits than its factorization.

19000380999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106934.

The product of its (nonzero) digits is 157464, while the sum is 48.

The spelling of 19000380999 in words is "nineteen billion, three hundred eighty thousand, nine hundred ninety-nine".