14772664643 has 4 divisors (see below), whose sum is σ = 16115634168. Its totient is φ = 13429695120.

The previous prime is 14772664631. The next prime is 14772664651. The reversal of 14772664643 is 34646627741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14772664643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14772664591 and 14772664600.

It is not an unprimeable number, because it can be changed into a prime (14772664693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671484746 + ... + 671484767.

It is an arithmetic number, because the mean of its divisors is an integer number (4028908542).

Almost surely, 2^14772664643 is an apocalyptic number.

14772664643 is a deficient number, since it is larger than the sum of its proper divisors (1342969525).

14772664643 is a wasteful number, since it uses less digits than its factorization.

14772664643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342969524.

The product of its digits is 4064256, while the sum is 50.

The spelling of 14772664643 in words is "fourteen billion, seven hundred seventy-two million, six hundred sixty-four thousand, six hundred forty-three".