10021968997 has 2 divisors, whose sum is σ = 10021968998. Its totient is φ = 10021968996.

The previous prime is 10021968967. The next prime is 10021969019. The reversal of 10021968997 is 79986912001.

10021968997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8966953636 + 1055015361 = 94694^2 + 32481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021968997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021968937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010984498 + 5010984499.

It is an arithmetic number, because the mean of its divisors is an integer number (5010984499).

Almost surely, 2^10021968997 is an apocalyptic number.

It is an amenable number.

10021968997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021968997 is an equidigital number, since it uses as much as digits as its factorization.

10021968997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 10021968997 in words is "ten billion, twenty-one million, nine hundred sixty-eight thousand, nine hundred ninety-seven".