14327890657 has 2 divisors, whose sum is σ = 14327890658. Its totient is φ = 14327890656.

The previous prime is 14327890609. The next prime is 14327890663. The reversal of 14327890657 is 75609872341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14028981136 + 298909521 = 118444^2 + 17289^2 .

It is an emirp because it is prime and its reverse (75609872341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14327890657 is a prime.

It is not a weakly prime, because it can be changed into another prime (14327890607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7163945328 + 7163945329.

It is an arithmetic number, because the mean of its divisors is an integer number (7163945329).

It is a 1-persistent number, because it is pandigital, but 2⋅14327890657 = 28655781314 is not.

Almost surely, 2^14327890657 is an apocalyptic number.

It is an amenable number.

14327890657 is a deficient number, since it is larger than the sum of its proper divisors (1).

14327890657 is an equidigital number, since it uses as much as digits as its factorization.

14327890657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 14327890657 in words is "fourteen billion, three hundred twenty-seven million, eight hundred ninety thousand, six hundred fifty-seven".