214851485197 has 2 divisors, whose sum is σ = 214851485198. Its totient is φ = 214851485196.

The previous prime is 214851485153. The next prime is 214851485221. The reversal of 214851485197 is 791584158412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116998886601 + 97852598596 = 342051^2 + 312814^2 .

It is a cyclic number.

It is not a de Polignac number, because 214851485197 - 2¹¹ = 214851483149 is a prime.

It is a super-2 number, since 2×214851485197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214851480197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107425742598 + 107425742599.

It is an arithmetic number, because the mean of its divisors is an integer number (107425742599).

Almost surely, 2^214851485197 is an apocalyptic number.

It is an amenable number.

214851485197 is a deficient number, since it is larger than the sum of its proper divisors (1).

214851485197 is an equidigital number, since it uses as much as digits as its factorization.

214851485197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 55.

The spelling of 214851485197 in words is "two hundred fourteen billion, eight hundred fifty-one million, four hundred eighty-five thousand, one hundred ninety-seven".