3989210860799 has 4 divisors (see below), whose sum is σ = 3989221715640. Its totient is φ = 3989200005960.

The previous prime is 3989210860781. The next prime is 3989210860807. The reversal of 3989210860799 is 9970680129893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3989210860799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989210860709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4856117 + ... + 5617854.

It is an arithmetic number, because the mean of its divisors is an integer number (997305428910).

Almost surely, 2^{3989210860799} is an apocalyptic number.

3989210860799 is a deficient number, since it is larger than the sum of its proper divisors (10854841).

3989210860799 is a wasteful number, since it uses less digits than its factorization.

3989210860799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10854840.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 3989210860799 in words is "three trillion, nine hundred eighty-nine billion, two hundred ten million, eight hundred sixty thousand, seven hundred ninety-nine".