14399061997 has 2 divisors, whose sum is σ = 14399061998. Its totient is φ = 14399061996.

The previous prime is 14399061983. The next prime is 14399062021. The reversal of 14399061997 is 79916099341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14261375241 + 137686756 = 119421^2 + 11734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14399061997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14399061907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7199530998 + 7199530999.

It is an arithmetic number, because the mean of its divisors is an integer number (7199530999).

Almost surely, 2^14399061997 is an apocalyptic number.

It is an amenable number.

14399061997 is a deficient number, since it is larger than the sum of its proper divisors (1).

14399061997 is an equidigital number, since it uses as much as digits as its factorization.

14399061997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The spelling of 14399061997 in words is "fourteen billion, three hundred ninety-nine million, sixty-one thousand, nine hundred ninety-seven".