14534520243 has 16 divisors (see below), whose sum is σ = 20906483616. Its totient is φ = 8947627520.

The previous prime is 14534520211. The next prime is 14534520281. The reversal of 14534520243 is 34202543541.

It is a cyclic number.

It is not a de Polignac number, because 14534520243 - 2⁵ = 14534520211 is a prime.

It is a super-2 number, since 2×14534520243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14534520043) 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, 2685888 + ... + 2691293.

It is an arithmetic number, because the mean of its divisors is an integer number (1306655226).

Almost surely, 2^14534520243 is an apocalyptic number.

14534520243 is a deficient number, since it is larger than the sum of its proper divisors (6371963373).

14534520243 is a wasteful number, since it uses less digits than its factorization.

14534520243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377254.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 14534520243 in words is "fourteen billion, five hundred thirty-four million, five hundred twenty thousand, two hundred forty-three".