210322232993 has 2 divisors, whose sum is σ = 210322232994. Its totient is φ = 210322232992.

The previous prime is 210322232963. The next prime is 210322233019. The reversal of 210322232993 is 399232223012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191889554704 + 18432678289 = 438052^2 + 135767^2 .

It is a cyclic number.

It is not a de Polignac number, because 210322232993 - 2¹⁴ = 210322216609 is a prime.

It is not a weakly prime, because it can be changed into another prime (210322232903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105161116496 + 105161116497.

It is an arithmetic number, because the mean of its divisors is an integer number (105161116497).

Almost surely, 2^210322232993 is an apocalyptic number.

It is an amenable number.

210322232993 is a deficient number, since it is larger than the sum of its proper divisors (1).

210322232993 is an equidigital number, since it uses as much as digits as its factorization.

210322232993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 210322232993 in words is "two hundred ten billion, three hundred twenty-two million, two hundred thirty-two thousand, nine hundred ninety-three".