19309435084 has 12 divisors (see below), whose sum is σ = 33818575000. Its totient is φ = 9646985088.

The previous prime is 19309435069. The next prime is 19309435087. The reversal of 19309435084 is 48053490391.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19309435087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927494 + ... + 1937485.

Almost surely, 2^19309435084 is an apocalyptic number.

It is an amenable number.

19309435084 is a deficient number, since it is larger than the sum of its proper divisors (14509139916).

19309435084 is a wasteful number, since it uses less digits than its factorization.

19309435084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866232 (or 3866230 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 19309435084 in words is "nineteen billion, three hundred nine million, four hundred thirty-five thousand, eighty-four".