14728447407 has 16 divisors (see below), whose sum is σ = 19773100800. Its totient is φ = 9751552512.

The previous prime is 14728447381. The next prime is 14728447427. The reversal of 14728447407 is 70474482741.

It is a happy number.

It is not a de Polignac number, because 14728447407 - 2¹² = 14728443311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728447427) 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, 325588 + ... + 368054.

It is an arithmetic number, because the mean of its divisors is an integer number (1235818800).

Almost surely, 2^14728447407 is an apocalyptic number.

14728447407 is a deficient number, since it is larger than the sum of its proper divisors (5044653393).

14728447407 is a wasteful number, since it uses less digits than its factorization.

14728447407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43262.

The product of its (nonzero) digits is 1404928, while the sum is 48.

The spelling of 14728447407 in words is "fourteen billion, seven hundred twenty-eight million, four hundred forty-seven thousand, four hundred seven".