14468640947 has 4 divisors (see below), whose sum is σ = 14468886480. Its totient is φ = 14468395416.

The previous prime is 14468640929. The next prime is 14468641007. The reversal of 14468640947 is 74904686441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14468640947 - 2³⁰ = 13394899123 is a prime.

It is a deceptive number, since it divides R_14468640946.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14468640917) 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, 24554 + ... + 171872.

It is an arithmetic number, because the mean of its divisors is an integer number (3617221620).

Almost surely, 2^14468640947 is an apocalyptic number.

14468640947 is the 98213-rd pentagonal number.

14468640947 is a deficient number, since it is larger than the sum of its proper divisors (245533).

14468640947 is an equidigital number, since it uses as much as digits as its factorization.

14468640947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245532.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 14468640947 in words is "fourteen billion, four hundred sixty-eight million, six hundred forty thousand, nine hundred forty-seven".