14216545431 has 24 divisors (see below), whose sum is σ = 22586987280. Its totient is φ = 8616080880.

The previous prime is 14216545417. The next prime is 14216545457. The reversal of 14216545431 is 13454561241.

14216545431 is a `hidden beast` number, since 1 + 4 + 216 + 5 + 4 + 5 + 431 = 666.

It is not a de Polignac number, because 14216545431 - 2⁷ = 14216545303 is a prime.

It is a super-2 number, since 2×14216545431² (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 (14216545411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581416 + ... + 605373.

It is an arithmetic number, because the mean of its divisors is an integer number (941124470).

Almost surely, 2^14216545431 is an apocalyptic number.

14216545431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14216545431 is a deficient number, since it is larger than the sum of its proper divisors (8370441849).

14216545431 is a wasteful number, since it uses less digits than its factorization.

14216545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186828 (or 1186803 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 14216545431 in words is "fourteen billion, two hundred sixteen million, five hundred forty-five thousand, four hundred thirty-one".