3989232245761 has 16 divisors (see below), whose sum is σ = 4583877736960. Its totient is φ = 3400819292160.

The previous prime is 3989232245753. The next prime is 3989232245807. The reversal of 3989232245761 is 1675422329893.

It is a happy number.

3989232245761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3989232245761 - 2³ = 3989232245753 is a prime.

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 3989232245761.

It is not an unprimeable number, because it can be changed into a prime (3989232245731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727716 + ... + 2916853.

It is an arithmetic number, because the mean of its divisors is an integer number (286492358560).

Almost surely, 2^{3989232245761} is an apocalyptic number.

It is an amenable number.

3989232245761 is a deficient number, since it is larger than the sum of its proper divisors (594645491199).

3989232245761 is a wasteful number, since it uses less digits than its factorization.

3989232245761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645424.

The product of its digits is 39191040, while the sum is 61.

The spelling of 3989232245761 in words is "three trillion, nine hundred eighty-nine billion, two hundred thirty-two million, two hundred forty-five thousand, seven hundred sixty-one".