3143264665 has 16 divisors (see below), whose sum is σ = 3794999040. Its totient is φ = 2499266560.

The previous prime is 3143264573. The next prime is 3143264711. The reversal of 3143264665 is 5664623413.

It is a happy number.

It is not a de Polignac number, because 3143264665 - 2⁹ = 3143264153 is a prime.

It is a super-2 number, since 2×3143264665² = 19760225508475124450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699225 + ... + 703705.

It is an arithmetic number, because the mean of its divisors is an integer number (237187440).

Almost surely, 2^3143264665 is an apocalyptic number.

It is an amenable number.

3143264665 is a deficient number, since it is larger than the sum of its proper divisors (651734375).

3143264665 is a wasteful number, since it uses less digits than its factorization.

3143264665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its digits is 311040, while the sum is 40.

The square root of 3143264665 is about 56064.8255593469. The cubic root of 3143264665 is about 1464.8516687523.

The spelling of 3143264665 in words is "three billion, one hundred forty-three million, two hundred sixty-four thousand, six hundred sixty-five".