18500934350 has 24 divisors (see below), whose sum is σ = 35907902640. Its totient is φ = 7078617920.

The previous prime is 18500934317. The next prime is 18500934371. The reversal of 18500934350 is 5343900581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8042735 + ... + 8045034.

It is an arithmetic number, because the mean of its divisors is an integer number (1496162610).

Almost surely, 2^18500934350 is an apocalyptic number.

18500934350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18500934350 is a deficient number, since it is larger than the sum of its proper divisors (17406968290).

18500934350 is a wasteful number, since it uses less digits than its factorization.

18500934350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16087804 (or 16087799 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 18500934350 in words is "eighteen billion, five hundred million, nine hundred thirty-four thousand, three hundred fifty".