19850113692 has 120 divisors (see below), whose sum is σ = 52317441792. Its totient is φ = 6562749600.

The previous prime is 19850113649. The next prime is 19850113747. The reversal of 19850113692 is 29631105891.

19850113692 is a `hidden beast` number, since 1 + 9 + 8 + 501 + 136 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29062783 + ... + 29063465.

Almost surely, 2^19850113692 is an apocalyptic number.

19850113692 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 19850113692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26158720896).

19850113692 is an abundant number, since it is smaller than the sum of its proper divisors (32467328100).

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

19850113692 is a wasteful number, since it uses less digits than its factorization.

19850113692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 19850113692 in words is "nineteen billion, eight hundred fifty million, one hundred thirteen thousand, six hundred ninety-two".