214289307497 has 2 divisors, whose sum is σ = 214289307498. Its totient is φ = 214289307496.

The previous prime is 214289307469. The next prime is 214289307527. The reversal of 214289307497 is 794703982412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164656596841 + 49632710656 = 405779^2 + 222784^2 .

It is a cyclic number.

It is not a de Polignac number, because 214289307497 - 2⁸ = 214289307241 is a prime.

It is not a weakly prime, because it can be changed into another prime (214289307437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107144653748 + 107144653749.

It is an arithmetic number, because the mean of its divisors is an integer number (107144653749).

Almost surely, 2^214289307497 is an apocalyptic number.

It is an amenable number.

214289307497 is a deficient number, since it is larger than the sum of its proper divisors (1).

214289307497 is an equidigital number, since it uses as much as digits as its factorization.

214289307497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 214289307497 in words is "two hundred fourteen billion, two hundred eighty-nine million, three hundred seven thousand, four hundred ninety-seven".