14538466538 has 32 divisors (see below), whose sum is σ = 23470248960. Its totient is φ = 6729765120.

The previous prime is 14538466489. The next prime is 14538466541. The reversal of 14538466538 is 83566483541.

It is a happy number.

It is a super-2 number, since 2×14538466538² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14538466538.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717920 + ... + 737892.

It is an arithmetic number, because the mean of its divisors is an integer number (733445280).

Almost surely, 2^14538466538 is an apocalyptic number.

14538466538 is a deficient number, since it is larger than the sum of its proper divisors (8931782422).

14538466538 is a wasteful number, since it uses less digits than its factorization.

14538466538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20342.

The product of its digits is 8294400, while the sum is 53.

The spelling of 14538466538 in words is "fourteen billion, five hundred thirty-eight million, four hundred sixty-six thousand, five hundred thirty-eight".