14863434718681 has 2 divisors, whose sum is σ = 14863434718682. Its totient is φ = 14863434718680.

The previous prime is 14863434718667. The next prime is 14863434718973. The reversal of 14863434718681 is 18681743436841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10289397028681 + 4574037690000 = 3207709^2 + 2138700^2 .

It is a cyclic number.

It is not a de Polignac number, because 14863434718681 - 2²³ = 14863426330073 is a prime.

It is a super-2 number, since 2×14863434718681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14863434712681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7431717359340 + 7431717359341.

It is an arithmetic number, because the mean of its divisors is an integer number (7431717359341).

Almost surely, 2^{14863434718681} is an apocalyptic number.

It is an amenable number.

14863434718681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14863434718681 is an equidigital number, since it uses as much as digits as its factorization.

14863434718681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74317824, while the sum is 64.

The spelling of 14863434718681 in words is "fourteen trillion, eight hundred sixty-three billion, four hundred thirty-four million, seven hundred eighteen thousand, six hundred eighty-one".