18934630310 has 16 divisors (see below), whose sum is σ = 35876142000. Its totient is φ = 7175228256.

The previous prime is 18934630289. The next prime is 18934630321. The reversal of 18934630310 is 1303643981.

It is a happy number.

It is a super-2 number, since 2×18934630310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49827785 + ... + 49828164.

It is an arithmetic number, because the mean of its divisors is an integer number (2242258875).

Almost surely, 2^18934630310 is an apocalyptic number.

18934630310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18934630310 is a deficient number, since it is larger than the sum of its proper divisors (16941511690).

18934630310 is a wasteful number, since it uses less digits than its factorization.

18934630310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99655975.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 18934630310 in words is "eighteen billion, nine hundred thirty-four million, six hundred thirty thousand, three hundred ten".