19013039330 has 16 divisors (see below), whose sum is σ = 34397197560. Its totient is φ = 7566609792.

The previous prime is 19013039321. The next prime is 19013039341. The reversal of 19013039330 is 3393031091.

It can be written as a sum of positive squares in 4 ways, for example, as 16997119129 + 2015920201 = 130373^2 + 44899^2 .

It is a super-2 number, since 2×19013039330² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4823675 + ... + 4827614.

Almost surely, 2^19013039330 is an apocalyptic number.

19013039330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19013039330 is a deficient number, since it is larger than the sum of its proper divisors (15384158230).

19013039330 is a wasteful number, since it uses less digits than its factorization.

19013039330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651493.

The product of its (nonzero) digits is 6561, while the sum is 32.

The spelling of 19013039330 in words is "nineteen billion, thirteen million, thirty-nine thousand, three hundred thirty".