3989210860801 has 4 divisors (see below), whose sum is σ = 4005763603204. Its totient is φ = 3972658118400.

The previous prime is 3989210860781. The next prime is 3989210860807. The reversal of 3989210860801 is 1080680129893.

3989210860801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1074952166401 + 2914258694400 = 1036799^2 + 1707120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3989210860801 - 2⁵ = 3989210860769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989210860807) 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, 8276370840 + ... + 8276371321.

It is an arithmetic number, because the mean of its divisors is an integer number (1001440900801).

Almost surely, 2^{3989210860801} is an apocalyptic number.

It is an amenable number.

3989210860801 is a deficient number, since it is larger than the sum of its proper divisors (16552742403).

3989210860801 is a wasteful number, since it uses less digits than its factorization.

3989210860801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16552742402.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 3989210860801 in words is "three trillion, nine hundred eighty-nine billion, two hundred ten million, eight hundred sixty thousand, eight hundred one".