13433144464 has 20 divisors (see below), whose sum is σ = 26030100460. Its totient is φ = 6715699200.

The previous prime is 13433144441. The next prime is 13433144479. The reversal of 13433144464 is 46444133431.

It can be written as a sum of positive squares in 2 ways, for example, as 437144464 + 12996000000 = 20908^2 + 114000^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82864 + ... + 183664.

It is an arithmetic number, because the mean of its divisors is an integer number (1301505023).

Almost surely, 2^13433144464 is an apocalyptic number.

It is an amenable number.

13433144464 is a deficient number, since it is larger than the sum of its proper divisors (12596955996).

13433144464 is a wasteful number, since it uses less digits than its factorization.

13433144464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109138 (or 109132 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

Adding to 13433144464 its reverse (46444133431), we get a palindrome (59877277895).

The spelling of 13433144464 in words is "thirteen billion, four hundred thirty-three million, one hundred forty-four thousand, four hundred sixty-four".