14388549539 has 64 divisors (see below), whose sum is σ = 20074521600. Its totient is φ = 9977499648.

The previous prime is 14388549509. The next prime is 14388549583. The reversal of 14388549539 is 93594588341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14388549539 is a prime.

It is a super-2 number, since 2×14388549539² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (14388549509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1730039 + ... + 1738335.

It is an arithmetic number, because the mean of its divisors is an integer number (313664400).

Almost surely, 2^14388549539 is an apocalyptic number.

14388549539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14388549539 is a deficient number, since it is larger than the sum of its proper divisors (5685972061).

14388549539 is a wasteful number, since it uses less digits than its factorization.

14388549539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412.

The product of its digits is 18662400, while the sum is 59.

The spelling of 14388549539 in words is "fourteen billion, three hundred eighty-eight million, five hundred forty-nine thousand, five hundred thirty-nine".