213371550745663 has 2 divisors, whose sum is σ = 213371550745664. Its totient is φ = 213371550745662.

The previous prime is 213371550745609. The next prime is 213371550745673. The reversal of 213371550745663 is 366547055173312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213371550745663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213371550745598 and 213371550745607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213371550745673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106685775372831 + 106685775372832.

It is an arithmetic number, because the mean of its divisors is an integer number (106685775372832).

Almost surely, 2^{213371550745663} is an apocalyptic number.

213371550745663 is a deficient number, since it is larger than the sum of its proper divisors (1).

213371550745663 is an equidigital number, since it uses as much as digits as its factorization.

213371550745663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628000, while the sum is 58.

The spelling of 213371550745663 in words is "two hundred thirteen trillion, three hundred seventy-one billion, five hundred fifty million, seven hundred forty-five thousand, six hundred sixty-three".