18341850928 has 20 divisors (see below), whose sum is σ = 35539435648. Its totient is φ = 9170383680.

The previous prime is 18341850859. The next prime is 18341850931. The reversal of 18341850928 is 82905814381.

It is a happy number.

It is a super-2 number, since 2×18341850928² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516298 + ... + 550678.

Almost surely, 2^18341850928 is an apocalyptic number.

It is an amenable number.

18341850928 is a deficient number, since it is larger than the sum of its proper divisors (17197584720).

18341850928 is a wasteful number, since it uses less digits than its factorization.

18341850928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67732 (or 67726 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 18341850928 in words is "eighteen billion, three hundred forty-one million, eight hundred fifty thousand, nine hundred twenty-eight".