2040509491199 has 2 divisors, whose sum is σ = 2040509491200. Its totient is φ = 2040509491198.

The previous prime is 2040509491193. The next prime is 2040509491243. The reversal of 2040509491199 is 9911949050402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040509491199 - 2³⁶ = 1971790014463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040509491199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040509491193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020254745599 + 1020254745600.

It is an arithmetic number, because the mean of its divisors is an integer number (1020254745600).

Almost surely, 2^{2040509491199} is an apocalyptic number.

2040509491199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040509491199 is an equidigital number, since it uses as much as digits as its factorization.

2040509491199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 2040509491199 in words is "two trillion, forty billion, five hundred nine million, four hundred ninety-one thousand, one hundred ninety-nine".