3982279465 has 4 divisors (see below), whose sum is σ = 4778735364. Its totient is φ = 3185823568.

The previous prime is 3982279463. The next prime is 3982279481. The reversal of 3982279465 is 5649722893.

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 1487876329 + 2494403136 = 38573^2 + 49944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3982279465 - 2¹ = 3982279463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3982279463) 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 3 ways as a sum of consecutive naturals, for example, 398227942 + ... + 398227951.

It is an arithmetic number, because the mean of its divisors is an integer number (1194683841).

Almost surely, 2^3982279465 is an apocalyptic number.

It is an amenable number.

3982279465 is a deficient number, since it is larger than the sum of its proper divisors (796455899).

3982279465 is an equidigital number, since it uses as much as digits as its factorization.

3982279465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796455898.

The product of its digits is 6531840, while the sum is 55.

The square root of 3982279465 is about 63105.3045710105. The cubic root of 3982279465 is about 1585.0534488240.

The spelling of 3982279465 in words is "three billion, nine hundred eighty-two million, two hundred seventy-nine thousand, four hundred sixty-five".