214540512997 has 2 divisors, whose sum is σ = 214540512998. Its totient is φ = 214540512996.

The previous prime is 214540512973. The next prime is 214540513013. The reversal of 214540512997 is 799215045412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133775988516 + 80764524481 = 365754^2 + 284191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214540512997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214540512997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214540012997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107270256498 + 107270256499.

It is an arithmetic number, because the mean of its divisors is an integer number (107270256499).

Almost surely, 2^214540512997 is an apocalyptic number.

It is an amenable number.

214540512997 is a deficient number, since it is larger than the sum of its proper divisors (1).

214540512997 is an equidigital number, since it uses as much as digits as its factorization.

214540512997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 214540512997 in words is "two hundred fourteen billion, five hundred forty million, five hundred twelve thousand, nine hundred ninety-seven".