13445432365 has 48 divisors (see below), whose sum is σ = 17530803648. Its totient is φ = 9894120192.

The previous prime is 13445432353. The next prime is 13445432387. The reversal of 13445432365 is 56323454431.

It is not a de Polignac number, because 13445432365 - 2⁵ = 13445432333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8827494 + ... + 8829016.

It is an arithmetic number, because the mean of its divisors is an integer number (365225076).

Almost surely, 2^13445432365 is an apocalyptic number.

It is an amenable number.

13445432365 is a deficient number, since it is larger than the sum of its proper divisors (4085371283).

13445432365 is a wasteful number, since it uses less digits than its factorization.

13445432365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1687 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

Adding to 13445432365 its reverse (56323454431), we get a palindrome (69768886796).

The spelling of 13445432365 in words is "thirteen billion, four hundred forty-five million, four hundred thirty-two thousand, three hundred sixty-five".