10021693973 has 2 divisors, whose sum is σ = 10021693974. Its totient is φ = 10021693972.

The previous prime is 10021693939. The next prime is 10021693999. The reversal of 10021693973 is 37939612001.

10021693973 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., 7092503089 + 2929190884 = 84217^2 + 54122^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021693973 - 2⁶ = 10021693909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021693973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021693933) 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, 5010846986 + 5010846987.

It is an arithmetic number, because the mean of its divisors is an integer number (5010846987).

Almost surely, 2^10021693973 is an apocalyptic number.

It is an amenable number.

10021693973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021693973 is an equidigital number, since it uses as much as digits as its factorization.

10021693973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 10021693973 in words is "ten billion, twenty-one million, six hundred ninety-three thousand, nine hundred seventy-three".