14863656961 has 4 divisors (see below), whose sum is σ = 14867236692. Its totient is φ = 14860077232.

The previous prime is 14863656949. The next prime is 14863656967. The reversal of 14863656961 is 16965636841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3043618561 + 11820038400 = 55169^2 + 108720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14863656961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14863656967) 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, 1783630 + ... + 1791943.

It is an arithmetic number, because the mean of its divisors is an integer number (3716809173).

Almost surely, 2^14863656961 is an apocalyptic number.

It is an amenable number.

14863656961 is a deficient number, since it is larger than the sum of its proper divisors (3579731).

14863656961 is an equidigital number, since it uses as much as digits as its factorization.

14863656961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579730.

The product of its digits is 5598720, while the sum is 55.

The spelling of 14863656961 in words is "fourteen billion, eight hundred sixty-three million, six hundred fifty-six thousand, nine hundred sixty-one".