10021607773 has 2 divisors, whose sum is σ = 10021607774. Its totient is φ = 10021607772.

The previous prime is 10021607753. The next prime is 10021607777. The reversal of 10021607773 is 37770612001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6645184324 + 3376423449 = 81518^2 + 58107^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021607773 - 2⁹ = 10021607261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021607777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010803886 + 5010803887.

It is an arithmetic number, because the mean of its divisors is an integer number (5010803887).

Almost surely, 2^10021607773 is an apocalyptic number.

It is an amenable number.

10021607773 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021607773 is an equidigital number, since it uses as much as digits as its factorization.

10021607773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The spelling of 10021607773 in words is "ten billion, twenty-one million, six hundred seven thousand, seven hundred seventy-three".