1210330993 has 2 divisors, whose sum is σ = 1210330994. Its totient is φ = 1210330992.

The previous prime is 1210330991. The next prime is 1210331011. The reversal of 1210330993 is 3990330121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983888689 + 226442304 = 31367^2 + 15048^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210330993 - 2¹ = 1210330991 is a prime.

It is a super-2 number, since 2×1210330993² = 2929802225232732098, which contains 22 as substring.

Together with 1210330991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1210330991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605165496 + 605165497.

It is an arithmetic number, because the mean of its divisors is an integer number (605165497).

Almost surely, 2^1210330993 is an apocalyptic number.

It is an amenable number.

1210330993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210330993 is an equidigital number, since it uses as much as digits as its factorization.

1210330993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1210330993 is about 34789.8116263943. The cubic root of 1210330993 is about 1065.6993923383.

The spelling of 1210330993 in words is "one billion, two hundred ten million, three hundred thirty thousand, nine hundred ninety-three".