14340511643 has 16 divisors (see below), whose sum is σ = 14805035520. Its totient is φ = 13883076000.

The previous prime is 14340511631. The next prime is 14340511673. The reversal of 14340511643 is 34611504341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14340511643 - 2⁸ = 14340511387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14340511673) 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, 3537968 + ... + 3542018.

It is an arithmetic number, because the mean of its divisors is an integer number (925314720).

Almost surely, 2^14340511643 is an apocalyptic number.

14340511643 is a deficient number, since it is larger than the sum of its proper divisors (464523877).

14340511643 is a wasteful number, since it uses less digits than its factorization.

14340511643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 14340511643 in words is "fourteen billion, three hundred forty million, five hundred eleven thousand, six hundred forty-three".