18419944750 has 32 divisors (see below), whose sum is σ = 34510769280. Its totient is φ = 7361860000.

The previous prime is 18419944723. The next prime is 18419944759. The reversal of 18419944750 is 5744991481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18419944759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277275 + ... + 337225.

It is an arithmetic number, because the mean of its divisors is an integer number (1078461540).

Almost surely, 2^18419944750 is an apocalyptic number.

18419944750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18419944750 is a deficient number, since it is larger than the sum of its proper divisors (16090824530).

18419944750 is a wasteful number, since it uses less digits than its factorization.

18419944750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61197 (or 61187 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 18419944750 in words is "eighteen billion, four hundred nineteen million, nine hundred forty-four thousand, seven hundred fifty".