18813392350 has 24 divisors (see below), whose sum is σ = 35012636280. Its totient is φ = 7521114720.

The previous prime is 18813392327. The next prime is 18813392369. The reversal of 18813392350 is 5329331881.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18813392297 and 18813392306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15712 + ... + 194611.

It is an arithmetic number, because the mean of its divisors is an integer number (1458859845).

Almost surely, 2^18813392350 is an apocalyptic number.

18813392350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18813392350 is a deficient number, since it is larger than the sum of its proper divisors (16199243930).

18813392350 is a wasteful number, since it uses less digits than its factorization.

18813392350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212124 (or 212119 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 18813392350 in words is "eighteen billion, eight hundred thirteen million, three hundred ninety-two thousand, three hundred fifty".