3143387969 has 4 divisors (see below), whose sum is σ = 3150207060. Its totient is φ = 3136568880.

The previous prime is 3143387921. The next prime is 3143387977. The reversal of 3143387969 is 9697833413.

3143387969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 814360369 + 2329027600 = 28537^2 + 48260^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143387969 - 2¹⁶ = 3143322433 is a prime.

It is a super-2 number, since 2×3143387969² = 19761775847307889922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143387969.

It is not an unprimeable number, because it can be changed into a prime (3143387909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408854 + ... + 3409775.

It is an arithmetic number, because the mean of its divisors is an integer number (787551765).

Almost surely, 2^3143387969 is an apocalyptic number.

It is an amenable number.

3143387969 is a deficient number, since it is larger than the sum of its proper divisors (6819091).

3143387969 is an equidigital number, since it uses as much as digits as its factorization.

3143387969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819090.

The product of its digits is 2939328, while the sum is 53.

The square root of 3143387969 is about 56065.9252041737. The cubic root of 3143387969 is about 1464.8708229044.

The spelling of 3143387969 in words is "three billion, one hundred forty-three million, three hundred eighty-seven thousand, nine hundred sixty-nine".