2109470773 has 2 divisors, whose sum is σ = 2109470774. Its totient is φ = 2109470772.

The previous prime is 2109470761. The next prime is 2109470807. The reversal of 2109470773 is 3770749012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1984969809 + 124500964 = 44553^2 + 11158^2 .

It is a cyclic number.

It is not a de Polignac number, because 2109470773 - 2²⁵ = 2075916341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109470173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054735386 + 1054735387.

It is an arithmetic number, because the mean of its divisors is an integer number (1054735387).

Almost surely, 2^2109470773 is an apocalyptic number.

It is an amenable number.

2109470773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109470773 is an equidigital number, since it uses as much as digits as its factorization.

2109470773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 2109470773 is about 45928.9753097105. The cubic root of 2109470773 is about 1282.5013694354.

The spelling of 2109470773 in words is "two billion, one hundred nine million, four hundred seventy thousand, seven hundred seventy-three".