19537018950 has 48 divisors (see below), whose sum is σ = 48595706640. Its totient is φ = 5194398720.

The previous prime is 19537018913. The next prime is 19537018957. The reversal of 19537018950 is 5981073591.

It is a self number, because there is not a number n which added to its sum of digits gives 19537018950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19537018957) 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, 142695 + ... + 243794.

It is an arithmetic number, because the mean of its divisors is an integer number (1012410555).

Almost surely, 2^19537018950 is an apocalyptic number.

19537018950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19537018950 is an abundant number, since it is smaller than the sum of its proper divisors (29058687690).

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

19537018950 is a wasteful number, since it uses less digits than its factorization.

19537018950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386841 (or 386836 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 48.

The spelling of 19537018950 in words is "nineteen billion, five hundred thirty-seven million, eighteen thousand, nine hundred fifty".