14565965389 has 4 divisors (see below), whose sum is σ = 15199268256. Its totient is φ = 13932662524.

The previous prime is 14565965387. The next prime is 14565965471. The reversal of 14565965389 is 98356956541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98356956541 = 47 ⋅2092701203.

It is a cyclic number.

It is not a de Polignac number, because 14565965389 - 2¹ = 14565965387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14565965387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316651399 + ... + 316651444.

It is an arithmetic number, because the mean of its divisors is an integer number (3799817064).

Almost surely, 2^14565965389 is an apocalyptic number.

It is an amenable number.

14565965389 is a deficient number, since it is larger than the sum of its proper divisors (633302867).

14565965389 is an equidigital number, since it uses as much as digits as its factorization.

14565965389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633302866.

The product of its digits is 34992000, while the sum is 61.

The spelling of 14565965389 in words is "fourteen billion, five hundred sixty-five million, nine hundred sixty-five thousand, three hundred eighty-nine".