18353870350 has 24 divisors (see below), whose sum is σ = 35060856408. Its totient is φ = 7143127200.

The previous prime is 18353870231. The next prime is 18353870371. The reversal of 18353870350 is 5307835381.

It is a junction number, because it is equal to n+sod(n) for n = 18353870297 and 18353870306.

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, 4958656 + ... + 4962355.

It is an arithmetic number, because the mean of its divisors is an integer number (1460869017).

Almost surely, 2^18353870350 is an apocalyptic number.

18353870350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18353870350 is a deficient number, since it is larger than the sum of its proper divisors (16706986058).

18353870350 is a wasteful number, since it uses less digits than its factorization.

18353870350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921060 (or 9921055 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 18353870350 in words is "eighteen billion, three hundred fifty-three million, eight hundred seventy thousand, three hundred fifty".