214100240197 has 2 divisors, whose sum is σ = 214100240198. Its totient is φ = 214100240196.

The previous prime is 214100240177. The next prime is 214100240251. The reversal of 214100240197 is 791042001412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188954526721 + 25145713476 = 434689^2 + 158574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214100240197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214100240177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107050120098 + 107050120099.

It is an arithmetic number, because the mean of its divisors is an integer number (107050120099).

Almost surely, 2^214100240197 is an apocalyptic number.

It is an amenable number.

214100240197 is a deficient number, since it is larger than the sum of its proper divisors (1).

214100240197 is an equidigital number, since it uses as much as digits as its factorization.

214100240197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 214100240197 in words is "two hundred fourteen billion, one hundred million, two hundred forty thousand, one hundred ninety-seven".