213264221615983 has 2 divisors, whose sum is σ = 213264221615984. Its totient is φ = 213264221615982.

The previous prime is 213264221615971. The next prime is 213264221616011. The reversal of 213264221615983 is 389516122462312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213264221615983 is a prime.

It is a super-2 number, since 2×213264221615983² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213264221615183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106632110807991 + 106632110807992.

It is an arithmetic number, because the mean of its divisors is an integer number (106632110807992).

Almost surely, 2^{213264221615983} is an apocalyptic number.

213264221615983 is a deficient number, since it is larger than the sum of its proper divisors (1).

213264221615983 is an equidigital number, since it uses as much as digits as its factorization.

213264221615983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 55.

The spelling of 213264221615983 in words is "two hundred thirteen trillion, two hundred sixty-four billion, two hundred twenty-one million, six hundred fifteen thousand, nine hundred eighty-three".