10210331993 has 2 divisors, whose sum is σ = 10210331994. Its totient is φ = 10210331992.

The previous prime is 10210331987. The next prime is 10210332031. The reversal of 10210331993 is 39913301201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9346442329 + 863889664 = 96677^2 + 29392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210331993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10210331893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105165996 + 5105165997.

It is an arithmetic number, because the mean of its divisors is an integer number (5105165997).

Almost surely, 2^10210331993 is an apocalyptic number.

It is an amenable number.

10210331993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210331993 is an equidigital number, since it uses as much as digits as its factorization.

10210331993 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 32.

The spelling of 10210331993 in words is "ten billion, two hundred ten million, three hundred thirty-one thousand, nine hundred ninety-three".