18426683350 has 36 divisors (see below), whose sum is σ = 36408349404. Its totient is φ = 6937098880.

The previous prime is 18426683291. The next prime is 18426683377. The reversal of 18426683350 is 5338662481.

It is a self number, because there is not a number n which added to its sum of digits gives 18426683350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 623152 + ... + 652051.

It is an arithmetic number, because the mean of its divisors is an integer number (1011343039).

Almost surely, 2^18426683350 is an apocalyptic number.

18426683350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18426683350 is a deficient number, since it is larger than the sum of its proper divisors (17981666054).

18426683350 is a wasteful number, since it uses less digits than its factorization.

18426683350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275249 (or 1275227 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 18426683350 in words is "eighteen billion, four hundred twenty-six million, six hundred eighty-three thousand, three hundred fifty".