19045246872 has 48 divisors (see below), whose sum is σ = 48334640760. Its totient is φ = 6253627776.

The previous prime is 19045246849. The next prime is 19045246907. The reversal of 19045246872 is 27864254091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19348 + ... + 196124.

Almost surely, 2^19045246872 is an apocalyptic number.

19045246872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19045246872 is an abundant number, since it is smaller than the sum of its proper divisors (29289393888).

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

19045246872 is a wasteful number, since it uses less digits than its factorization.

19045246872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176920 (or 176849 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 19045246872 in words is "nineteen billion, forty-five million, two hundred forty-six thousand, eight hundred seventy-two".