2209159713973 has 2 divisors, whose sum is σ = 2209159713974. Its totient is φ = 2209159713972.

The previous prime is 2209159713883. The next prime is 2209159713977. The reversal of 2209159713973 is 3793179519022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2072468314449 + 136691399524 = 1439607^2 + 369718^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209159713973 - 2⁹ = 2209159713461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209159713977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104579856986 + 1104579856987.

It is an arithmetic number, because the mean of its divisors is an integer number (1104579856987).

Almost surely, 2^{2209159713973} is an apocalyptic number.

It is an amenable number.

2209159713973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209159713973 is an equidigital number, since it uses as much as digits as its factorization.

2209159713973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6429780, while the sum is 58.

The spelling of 2209159713973 in words is "two trillion, two hundred nine billion, one hundred fifty-nine million, seven hundred thirteen thousand, nine hundred seventy-three".