19935750912 has 432 divisors, whose sum is σ = 70203060480. Its totient is φ = 4902543360.

The previous prime is 19935750899. The next prime is 19935750941. The reversal of 19935750912 is 21905753991.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12358618 + ... + 12360230.

Almost surely, 2^19935750912 is an apocalyptic number.

19935750912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19935750912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35101530240).

19935750912 is an abundant number, since it is smaller than the sum of its proper divisors (50267309568).

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

19935750912 is a wasteful number, since it uses less digits than its factorization.

19935750912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 51.

The spelling of 19935750912 in words is "nineteen billion, nine hundred thirty-five million, seven hundred fifty thousand, nine hundred twelve".