4100865399 has 48 divisors (see below), whose sum is σ = 6312134400. Its totient is φ = 2558304000.

The previous prime is 4100865383. The next prime is 4100865403. The reversal of 4100865399 is 9935680014.

It is a happy number.

4100865399 is a `hidden beast` number, since 4 + 100 + 8 + 6 + 539 + 9 = 666.

It is not a de Polignac number, because 4100865399 - 2⁴ = 4100865383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100865319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6222532 + ... + 6223190.

It is an arithmetic number, because the mean of its divisors is an integer number (131502800).

Almost surely, 2^4100865399 is an apocalyptic number.

4100865399 is a deficient number, since it is larger than the sum of its proper divisors (2211269001).

4100865399 is a wasteful number, since it uses less digits than its factorization.

4100865399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 4100865399 is about 64037.9996486461. Note that the first 3 decimals coincide. The cubic root of 4100865399 is about 1600.6332648215.

Adding to 4100865399 its sum of digits (45), we get a square (4100865444 = 64038²).

The spelling of 4100865399 in words is "four billion, one hundred million, eight hundred sixty-five thousand, three hundred ninety-nine".