19744704150 has 48 divisors (see below), whose sum is σ = 50161195728. Its totient is φ = 5136832000.

The previous prime is 19744704149. The next prime is 19744704151. The reversal of 19744704150 is 5140744791.

It is an interprime number because it is at equal distance from previous prime (19744704149) and next prime (19744704151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19744704151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599111 + ... + 1611410.

It is an arithmetic number, because the mean of its divisors is an integer number (1045024911).

Almost surely, 2^19744704150 is an apocalyptic number.

19744704150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19744704150 is an abundant number, since it is smaller than the sum of its proper divisors (30416491578).

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

19744704150 is a wasteful number, since it uses less digits than its factorization.

19744704150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210577 (or 3210572 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 19744704150 in words is "nineteen billion, seven hundred forty-four million, seven hundred four thousand, one hundred fifty".