14345777406724 has 27 divisors (see below), whose sum is σ = 25141738589877. Its totient is φ = 7162438764624.

The previous prime is 14345777406721. The next prime is 14345777406743. The reversal of 14345777406724 is 42760477754341.

The square root of 14345777406724 is 3787582.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9423733436100 + 4922043970624 = 3069810^2 + 2218568^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14345777406721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9673483687 + ... + 9673485169.

Almost surely, 2^{14345777406724} is an apocalyptic number.

14345777406724 is the 3787582-nd square number.

It is an amenable number.

14345777406724 is a deficient number, since it is larger than the sum of its proper divisors (10795961183153).

14345777406724 is an frugal number, since it uses more digits than its factorization.

14345777406724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 110638080, while the sum is 61.

The spelling of 14345777406724 in words is "fourteen trillion, three hundred forty-five billion, seven hundred seventy-seven million, four hundred six thousand, seven hundred twenty-four".