14242120397 has 2 divisors, whose sum is σ = 14242120398. Its totient is φ = 14242120396.

The previous prime is 14242120381. The next prime is 14242120439. The reversal of 14242120397 is 79302124241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9812685481 + 4429434916 = 99059^2 + 66554^2 .

It is an emirp because it is prime and its reverse (79302124241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14242120397 - 2⁴ = 14242120381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14242120307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121060198 + 7121060199.

It is an arithmetic number, because the mean of its divisors is an integer number (7121060199).

Almost surely, 2^14242120397 is an apocalyptic number.

It is an amenable number.

14242120397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14242120397 is an equidigital number, since it uses as much as digits as its factorization.

14242120397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 14242120397 in words is "fourteen billion, two hundred forty-two million, one hundred twenty thousand, three hundred ninety-seven".