4311643345 has 16 divisors (see below), whose sum is σ = 5228301312. Its totient is φ = 3413148480.

The previous prime is 4311643327. The next prime is 4311643361. The reversal of 4311643345 is 5433461134.

It is not a de Polignac number, because 4311643345 - 2¹¹ = 4311641297 is a prime.

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 4311643345.

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, 890080 + ... + 894910.

It is an arithmetic number, because the mean of its divisors is an integer number (326768832).

Almost surely, 2^4311643345 is an apocalyptic number.

It is an amenable number.

4311643345 is a deficient number, since it is larger than the sum of its proper divisors (916657967).

4311643345 is a wasteful number, since it uses less digits than its factorization.

4311643345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672.

The product of its digits is 51840, while the sum is 34.

The square root of 4311643345 is about 65663.1048991745. The cubic root of 4311643345 is about 1627.5997322876.

The spelling of 4311643345 in words is "four billion, three hundred eleven million, six hundred forty-three thousand, three hundred forty-five".