14742666247 has 8 divisors (see below), whose sum is σ = 15501087360. Its totient is φ = 13994031480.

The previous prime is 14742666221. The next prime is 14742666269. The reversal of 14742666247 is 74266624741.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14742666247 - 2²³ = 14734277639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14742666247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14742666217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443497 + ... + 2449522.

It is an arithmetic number, because the mean of its divisors is an integer number (1937635920).

Almost surely, 2^14742666247 is an apocalyptic number.

14742666247 is a deficient number, since it is larger than the sum of its proper divisors (758421113).

14742666247 is a wasteful number, since it uses less digits than its factorization.

14742666247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893173.

The product of its digits is 2709504, while the sum is 49.

The spelling of 14742666247 in words is "fourteen billion, seven hundred forty-two million, six hundred sixty-six thousand, two hundred forty-seven".