19195008084 has 72 divisors (see below), whose sum is σ = 55694562560. Its totient is φ = 5460322752.

The previous prime is 19195008071. The next prime is 19195008101. The reversal of 19195008084 is 48080059191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108604 + ... + 224019.

Almost surely, 2^19195008084 is an apocalyptic number.

19195008084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19195008084 is an abundant number, since it is smaller than the sum of its proper divisors (36499554476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19195008084 is a wasteful number, since it uses less digits than its factorization.

19195008084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332869 (or 332864 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 19195008084 in words is "nineteen billion, one hundred ninety-five million, eight thousand, eighty-four".