14593639540 has 12 divisors (see below), whose sum is σ = 30646643076. Its totient is φ = 5837455808.

The previous prime is 14593639537. The next prime is 14593639559. The reversal of 14593639540 is 4593639541.

14593639540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5274826384 + 9318813156 = 72628^2 + 96534^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364840969 + ... + 364841008.

It is an arithmetic number, because the mean of its divisors is an integer number (2553886923).

Almost surely, 2^14593639540 is an apocalyptic number.

14593639540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14593639540 is an abundant number, since it is smaller than the sum of its proper divisors (16053003536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14593639540 is a wasteful number, since it uses less digits than its factorization.

14593639540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729681986 (or 729681984 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

Subtracting from 14593639540 its reverse (4593639541), we obtain a palindrome (9999999999).

The spelling of 14593639540 in words is "fourteen billion, five hundred ninety-three million, six hundred thirty-nine thousand, five hundred forty".