2090173609 has 2 divisors, whose sum is σ = 2090173610. Its totient is φ = 2090173608.

The previous prime is 2090173597. The next prime is 2090173621. The reversal of 2090173609 is 9063710902.

It is a balanced prime because it is at equal distance from previous prime (2090173597) and next prime (2090173621).

It can be written as a sum of positive squares in only one way, i.e., 1863821584 + 226352025 = 43172^2 + 15045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090173609 - 2¹³ = 2090165417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2090173669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045086804 + 1045086805.

It is an arithmetic number, because the mean of its divisors is an integer number (1045086805).

Almost surely, 2^2090173609 is an apocalyptic number.

It is an amenable number.

2090173609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090173609 is an equidigital number, since it uses as much as digits as its factorization.

2090173609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 2090173609 is about 45718.4165189478. The cubic root of 2090173609 is about 1278.5786650248.

The spelling of 2090173609 in words is "two billion, ninety million, one hundred seventy-three thousand, six hundred nine".