1021162663373 has 2 divisors, whose sum is σ = 1021162663374. Its totient is φ = 1021162663372.

The previous prime is 1021162663331. The next prime is 1021162663397. The reversal of 1021162663373 is 3733662611201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982402110244 + 38760553129 = 991162^2 + 196877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021162663373 - 2¹⁰ = 1021162662349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021162663373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021162663273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510581331686 + 510581331687.

It is an arithmetic number, because the mean of its divisors is an integer number (510581331687).

Almost surely, 2^{1021162663373} is an apocalyptic number.

It is an amenable number.

1021162663373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021162663373 is an equidigital number, since it uses as much as digits as its factorization.

1021162663373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 1021162663373 in words is "one trillion, twenty-one billion, one hundred sixty-two million, six hundred sixty-three thousand, three hundred seventy-three".