3999100045 has 32 divisors (see below), whose sum is σ = 5252594688. Its totient is φ = 2913977088.

The previous prime is 3999100003. The next prime is 3999100073. The reversal of 3999100045 is 5400019993.

3999100045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3999100045 - 2³¹ = 1851616397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3999099980 and 3999100007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189987 + ... + 209983.

It is an arithmetic number, because the mean of its divisors is an integer number (164143584).

Almost surely, 2^3999100045 is an apocalyptic number.

It is an amenable number.

3999100045 is a deficient number, since it is larger than the sum of its proper divisors (1253494643).

3999100045 is a wasteful number, since it uses less digits than its factorization.

3999100045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 3999100045 is about 63238.4380341577. The cubic root of 3999100045 is about 1587.2819939127.

The spelling of 3999100045 in words is "three billion, nine hundred ninety-nine million, one hundred thousand, forty-five".