3443453865 has 12 divisors (see below), whose sum is σ = 5968653444. Its totient is φ = 1836508704.

The previous prime is 3443453813. The next prime is 3443453869. The reversal of 3443453865 is 5683543443.

It can be written as a sum of positive squares in 2 ways, for example, as 1829101824 + 1614352041 = 42768^2 + 40179^2 .

It is not a de Polignac number, because 3443453865 - 2⁶ = 3443453801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 76521197 = 3443453865 / (3 + 4 + 4 + 3 + 4 + 5 + 3 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3443453865.

It is not an unprimeable number, because it can be changed into a prime (3443453869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38260554 + ... + 38260643.

It is an arithmetic number, because the mean of its divisors is an integer number (497387787).

Almost surely, 2^3443453865 is an apocalyptic number.

It is an amenable number.

3443453865 is a deficient number, since it is larger than the sum of its proper divisors (2525199579).

3443453865 is a wasteful number, since it uses less digits than its factorization.

3443453865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76521208 (or 76521205 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 3443453865 is about 58680.9497622525. The cubic root of 3443453865 is about 1510.0735114717.

The spelling of 3443453865 in words is "three billion, four hundred forty-three million, four hundred fifty-three thousand, eight hundred sixty-five".