2103365018 has 16 divisors (see below), whose sum is σ = 3516462720. Its totient is φ = 937722816.

The previous prime is 2103364997. The next prime is 2103365021. The reversal of 2103365018 is 8105633012.

It is a super-2 number, since 2×2103365018² = 8848288797892280648, which contains 22 as substring.

It is a Curzon number.

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, 1627346 + ... + 1628637.

It is an arithmetic number, because the mean of its divisors is an integer number (219778920).

Almost surely, 2^2103365018 is an apocalyptic number.

2103365018 is a deficient number, since it is larger than the sum of its proper divisors (1413097702).

2103365018 is a wasteful number, since it uses less digits than its factorization.

2103365018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256021.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2103365018 is about 45862.4576096833. The cubic root of 2103365018 is about 1281.2627955161.

The spelling of 2103365018 in words is "two billion, one hundred three million, three hundred sixty-five thousand, eighteen".