14645231789 has 4 divisors (see below), whose sum is σ = 14645519520. Its totient is φ = 14644944060.

The previous prime is 14645231737. The next prime is 14645231827. The reversal of 14645231789 is 98713254641.

It is a happy number.

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: 98713254641 = 2963 ⋅33315307.

It is a cyclic number.

It is not a de Polignac number, because 14645231789 - 2¹⁶ = 14645166253 is a prime.

It is a super-2 number, since 2×14645231789² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14645231719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44759 + ... + 176900.

It is an arithmetic number, because the mean of its divisors is an integer number (3661379880).

Almost surely, 2^14645231789 is an apocalyptic number.

It is an amenable number.

14645231789 is a deficient number, since it is larger than the sum of its proper divisors (287731).

14645231789 is an equidigital number, since it uses as much as digits as its factorization.

14645231789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287730.

The product of its digits is 1451520, while the sum is 50.

The spelling of 14645231789 in words is "fourteen billion, six hundred forty-five million, two hundred thirty-one thousand, seven hundred eighty-nine".