14643475431 has 16 divisors (see below), whose sum is σ = 21066761856. Its totient is φ = 8994126816.

The previous prime is 14643475409. The next prime is 14643475433. The reversal of 14643475431 is 13457434641.

It is not a de Polignac number, because 14643475431 - 2¹⁸ = 14643213287 is a prime.

It is a super-2 number, since 2×14643475431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14643475433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338565 + ... + 379358.

It is an arithmetic number, because the mean of its divisors is an integer number (1316672616).

Almost surely, 2^14643475431 is an apocalyptic number.

14643475431 is a deficient number, since it is larger than the sum of its proper divisors (6423286425).

14643475431 is a wasteful number, since it uses less digits than its factorization.

14643475431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718462.

The product of its digits is 483840, while the sum is 42.

The spelling of 14643475431 in words is "fourteen billion, six hundred forty-three million, four hundred seventy-five thousand, four hundred thirty-one".