10073952821 has 2 divisors, whose sum is σ = 10073952822. Its totient is φ = 10073952820.

The previous prime is 10073952799. The next prime is 10073952853. The reversal of 10073952821 is 12825937001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5773872196 + 4300080625 = 75986^2 + 65575^2 .

It is a cyclic number.

It is not a de Polignac number, because 10073952821 - 2¹⁴ = 10073936437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10073952521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036976410 + 5036976411.

It is an arithmetic number, because the mean of its divisors is an integer number (5036976411).

Almost surely, 2^10073952821 is an apocalyptic number.

It is an amenable number.

10073952821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10073952821 is an equidigital number, since it uses as much as digits as its factorization.

10073952821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 10073952821 in words is "ten billion, seventy-three million, nine hundred fifty-two thousand, eight hundred twenty-one".