18799645946530 has 16 divisors (see below), whose sum is σ = 33840686099520. Its totient is φ = 7519564290672.

The previous prime is 18799645946527. The next prime is 18799645946593. The reversal of 18799645946530 is 3564954699781.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36492414 + ... + 37003993.

It is an arithmetic number, because the mean of its divisors is an integer number (2115042881220).

Almost surely, 2^{18799645946530} is an apocalyptic number.

18799645946530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18799645946530 is a deficient number, since it is larger than the sum of its proper divisors (15041040152990).

18799645946530 is a wasteful number, since it uses less digits than its factorization.

18799645946530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521993.

The product of its (nonzero) digits is 1763596800, while the sum is 76.

The spelling of 18799645946530 in words is "eighteen trillion, seven hundred ninety-nine billion, six hundred forty-five million, nine hundred forty-six thousand, five hundred thirty".