2040073109 has 2 divisors, whose sum is σ = 2040073110. Its totient is φ = 2040073108.

The previous prime is 2040073099. The next prime is 2040073127. The reversal of 2040073109 is 9013700402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1872292900 + 167780209 = 43270^2 + 12953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040073109 - 2⁴ = 2040073093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040072109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020036554 + 1020036555.

It is an arithmetic number, because the mean of its divisors is an integer number (1020036555).

Almost surely, 2^2040073109 is an apocalyptic number.

It is an amenable number.

2040073109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040073109 is an equidigital number, since it uses as much as digits as its factorization.

2040073109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2040073109 is about 45167.1684855272. The cubic root of 2040073109 is about 1268.2802914836.

The spelling of 2040073109 in words is "two billion, forty million, seventy-three thousand, one hundred nine".