3922609920209 has 2 divisors, whose sum is σ = 3922609920210. Its totient is φ = 3922609920208.

The previous prime is 3922609920143. The next prime is 3922609920217. The reversal of 3922609920209 is 9020299062293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2692569219025 + 1230040701184 = 1640905^2 + 1109072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3922609920209 is a prime.

It is a super-2 number, since 2×3922609920209² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3922609910209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961304960104 + 1961304960105.

It is an arithmetic number, because the mean of its divisors is an integer number (1961304960105).

Almost surely, 2^{3922609920209} is an apocalyptic number.

It is an amenable number.

3922609920209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922609920209 is an equidigital number, since it uses as much as digits as its factorization.

3922609920209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 3922609920209 in words is "three trillion, nine hundred twenty-two billion, six hundred nine million, nine hundred twenty thousand, two hundred nine".