5202021322009 has 2 divisors, whose sum is σ = 5202021322010. Its totient is φ = 5202021322008.

The previous prime is 5202021321979. The next prime is 5202021322031. The reversal of 5202021322009 is 9002231202025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2647138762009 + 2554882560000 = 1627003^2 + 1598400^2 .

It is a cyclic number.

It is not a de Polignac number, because 5202021322009 - 2⁷ = 5202021321881 is a prime.

It is a super-2 number, since 2×5202021322009² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5202021322409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601010661004 + 2601010661005.

It is an arithmetic number, because the mean of its divisors is an integer number (2601010661005).

Almost surely, 2^{5202021322009} is an apocalyptic number.

It is an amenable number.

5202021322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5202021322009 is an equidigital number, since it uses as much as digits as its factorization.

5202021322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 5202021322009 in words is "five trillion, two hundred two billion, twenty-one million, three hundred twenty-two thousand, nine".