14643949897 has 2 divisors, whose sum is σ = 14643949898. Its totient is φ = 14643949896.

The previous prime is 14643949877. The next prime is 14643949927. The reversal of 14643949897 is 79894934641.

14643949897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11597351481 + 3046598416 = 107691^2 + 55196^2 .

It is a cyclic number.

It is not a de Polignac number, because 14643949897 - 2⁷ = 14643949769 is a prime.

It is not a weakly prime, because it can be changed into another prime (14643949867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321974948 + 7321974949.

It is an arithmetic number, because the mean of its divisors is an integer number (7321974949).

Almost surely, 2^14643949897 is an apocalyptic number.

It is an amenable number.

14643949897 is a deficient number, since it is larger than the sum of its proper divisors (1).

14643949897 is an equidigital number, since it uses as much as digits as its factorization.

14643949897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 64.

The spelling of 14643949897 in words is "fourteen billion, six hundred forty-three million, nine hundred forty-nine thousand, eight hundred ninety-seven".