18734858345810 has 64 divisors (see below), whose sum is σ = 36294373779840. Its totient is φ = 6937306844160.

The previous prime is 18734858345747. The next prime is 18734858345867. The reversal of 18734858345810 is 1854385843781.

It is a super-2 number, since 2×18734858345810² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6258020 + ... + 8754000.

It is an arithmetic number, because the mean of its divisors is an integer number (567099590310).

Almost surely, 2^{18734858345810} is an apocalyptic number.

18734858345810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18734858345810 is a deficient number, since it is larger than the sum of its proper divisors (17559515434030).

18734858345810 is a wasteful number, since it uses less digits than its factorization.

18734858345810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496731.

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 18734858345810 in words is "eighteen trillion, seven hundred thirty-four billion, eight hundred fifty-eight million, three hundred forty-five thousand, eight hundred ten".