14663740394 has 8 divisors (see below), whose sum is σ = 22049390820. Its totient is φ = 7313943456.

The previous prime is 14663740381. The next prime is 14663740397. The reversal of 14663740394 is 49304736641.

It can be written as a sum of positive squares in 2 ways, for example, as 14607864769 + 55875625 = 120863^2 + 7475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14663740397) 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 3 ways as a sum of consecutive naturals, for example, 8962349 + ... + 8963984.

Almost surely, 2^14663740394 is an apocalyptic number.

14663740394 is a deficient number, since it is larger than the sum of its proper divisors (7385650426).

14663740394 is a wasteful number, since it uses less digits than its factorization.

14663740394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17926744.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 14663740394 in words is "fourteen billion, six hundred sixty-three million, seven hundred forty thousand, three hundred ninety-four".