14864660821 has 8 divisors (see below), whose sum is σ = 15781944960. Its totient is φ = 13952142528.

The previous prime is 14864660801. The next prime is 14864660861. The reversal of 14864660821 is 12806646841.

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 14864660821 - 2⁷ = 14864660693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14864660801) 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, 1185031 + ... + 1197508.

It is an arithmetic number, because the mean of its divisors is an integer number (1972743120).

Almost surely, 2^14864660821 is an apocalyptic number.

It is an amenable number.

14864660821 is a deficient number, since it is larger than the sum of its proper divisors (917284139).

14864660821 is a wasteful number, since it uses less digits than its factorization.

14864660821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382923.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 14864660821 in words is "fourteen billion, eight hundred sixty-four million, six hundred sixty thousand, eight hundred twenty-one".