14404858681 has 2 divisors, whose sum is σ = 14404858682. Its totient is φ = 14404858680.

The previous prime is 14404858649. The next prime is 14404858723. The reversal of 14404858681 is 18685840441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13915741225 + 489117456 = 117965^2 + 22116^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404858681 - 2⁵ = 14404858649 is a prime.

It is a super-2 number, since 2×14404858681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14404858621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202429340 + 7202429341.

It is an arithmetic number, because the mean of its divisors is an integer number (7202429341).

Almost surely, 2^14404858681 is an apocalyptic number.

It is an amenable number.

14404858681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14404858681 is an equidigital number, since it uses as much as digits as its factorization.

14404858681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 14404858681 in words is "fourteen billion, four hundred four million, eight hundred fifty-eight thousand, six hundred eighty-one".