4109818993 has 12 divisors (see below), whose sum is σ = 4910023092. Its totient is φ = 3427492320.

The previous prime is 4109818981. The next prime is 4109819011. The reversal of 4109818993 is 3998189014.

It can be written as a sum of positive squares in 2 ways, for example, as 3526934544 + 582884449 = 59388^2 + 24143^2 .

It is not a de Polignac number, because 4109818993 - 2²⁵ = 4076264561 is a prime.

It is a super-2 number, since 2×4109818993² = 33781224310447068098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4109818993.

It is not an unprimeable number, because it can be changed into a prime (4109818943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1131618 + ... + 1135243.

It is an arithmetic number, because the mean of its divisors is an integer number (409168591).

Almost surely, 2^4109818993 is an apocalyptic number.

It is an amenable number.

4109818993 is a deficient number, since it is larger than the sum of its proper divisors (800204099).

4109818993 is a wasteful number, since it uses less digits than its factorization.

4109818993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266912 (or 2266905 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 4109818993 is about 64107.8699770941. The cubic root of 4109818993 is about 1601.7973282977.

The spelling of 4109818993 in words is "four billion, one hundred nine million, eight hundred eighteen thousand, nine hundred ninety-three".