214027820497 has 2 divisors, whose sum is σ = 214027820498. Its totient is φ = 214027820496.

The previous prime is 214027820491. The next prime is 214027820509. The reversal of 214027820497 is 794028720412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146339911936 + 67687908561 = 382544^2 + 260169^2 .

It is a cyclic number.

It is not a de Polignac number, because 214027820497 - 2¹¹ = 214027818449 is a prime.

It is not a weakly prime, because it can be changed into another prime (214027820491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107013910248 + 107013910249.

It is an arithmetic number, because the mean of its divisors is an integer number (107013910249).

Almost surely, 2^214027820497 is an apocalyptic number.

It is an amenable number.

214027820497 is a deficient number, since it is larger than the sum of its proper divisors (1).

214027820497 is an equidigital number, since it uses as much as digits as its factorization.

214027820497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 214027820497 in words is "two hundred fourteen billion, twenty-seven million, eight hundred twenty thousand, four hundred ninety-seven".