3989148663 has 8 divisors (see below), whose sum is σ = 5320446976. Its totient is φ = 2658641400.

The previous prime is 3989148623. The next prime is 3989148689. The reversal of 3989148663 is 3668419893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3989148663 - 2¹⁶ = 3989083127 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 (3989148623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185893 + ... + 206238.

It is an arithmetic number, because the mean of its divisors is an integer number (665055872).

Almost surely, 2^3989148663 is an apocalyptic number.

3989148663 is a deficient number, since it is larger than the sum of its proper divisors (1331298313).

3989148663 is a wasteful number, since it uses less digits than its factorization.

3989148663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395525.

The product of its digits is 6718464, while the sum is 57.

The square root of 3989148663 is about 63159.7075911534. The cubic root of 3989148663 is about 1585.9642999798.

The spelling of 3989148663 in words is "three billion, nine hundred eighty-nine million, one hundred forty-eight thousand, six hundred sixty-three".