3979464889 has 9 divisors (see below), whose sum is σ = 4012219407. Its totient is φ = 3946977144.

The previous prime is 3979464847. The next prime is 3979464917. The reversal of 3979464889 is 9884649793.

The square root of 3979464889 is 63083.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 222755625 + 3756709264 = 14925^2 + 61292^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3979464889 is a prime.

It is a super-2 number, since 2×3979464889² = 31672281605567564642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979464809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12553359 + ... + 12553675.

Almost surely, 2^3979464889 is an apocalyptic number.

3979464889 is the 63083-rd square number.

3979464889 is the 31542-nd centered octagonal number.

It is an amenable number.

3979464889 is a deficient number, since it is larger than the sum of its proper divisors (32754518).

3979464889 is an frugal number, since it uses more digits than its factorization.

3979464889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 516 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The cubic root of 3979464889 is about 1584.6799353726.

The spelling of 3979464889 in words is "three billion, nine hundred seventy-nine million, four hundred sixty-four thousand, eight hundred eighty-nine".