4431334564145 has 32 divisors (see below), whose sum is σ = 5661254004480. Its totient is φ = 3320316230400.

The previous prime is 4431334564141. The next prime is 4431334564159. The reversal of 4431334564145 is 5414654331344.

It is not a de Polignac number, because 4431334564145 - 2² = 4431334564141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4431334564145.

It is not an unprimeable number, because it can be changed into a prime (4431334564141) 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 31 ways as a sum of consecutive naturals, for example, 6154724 + ... + 6836906.

It is an arithmetic number, because the mean of its divisors is an integer number (176914187640).

Almost surely, 2^{4431334564145} is an apocalyptic number.

It is an amenable number.

4431334564145 is a deficient number, since it is larger than the sum of its proper divisors (1229919440335).

4431334564145 is a wasteful number, since it uses less digits than its factorization.

4431334564145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682985.

The product of its digits is 4147200, while the sum is 47.

Adding to 4431334564145 its reverse (5414654331344), we get a palindrome (9845988895489).

The spelling of 4431334564145 in words is "four trillion, four hundred thirty-one billion, three hundred thirty-four million, five hundred sixty-four thousand, one hundred forty-five".