3989769513 has 8 divisors (see below), whose sum is σ = 5322172128. Its totient is φ = 2658606624.

The previous prime is 3989769481. The next prime is 3989769529. The reversal of 3989769513 is 3159679893.

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

It is not a de Polignac number, because 3989769513 - 2⁵ = 3989769481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3989769613) 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, 302395 + ... + 315312.

It is an arithmetic number, because the mean of its divisors is an integer number (665271516).

Almost surely, 2^3989769513 is an apocalyptic number.

It is an amenable number.

3989769513 is a deficient number, since it is larger than the sum of its proper divisors (1332402615).

3989769513 is a wasteful number, since it uses less digits than its factorization.

3989769513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619863.

The product of its digits is 11022480, while the sum is 60.

The square root of 3989769513 is about 63164.6223213596. The cubic root of 3989769513 is about 1586.0465727437.

The spelling of 3989769513 in words is "three billion, nine hundred eighty-nine million, seven hundred sixty-nine thousand, five hundred thirteen".