2040947588609 has 2 divisors, whose sum is σ = 2040947588610. Its totient is φ = 2040947588608.

The previous prime is 2040947588593. The next prime is 2040947588677. The reversal of 2040947588609 is 9068857490402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007526264384 + 33421324225 = 1416872^2 + 182815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040947588609 - 2⁴ = 2040947588593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040947588809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020473794304 + 1020473794305.

It is an arithmetic number, because the mean of its divisors is an integer number (1020473794305).

Almost surely, 2^{2040947588609} is an apocalyptic number.

It is an amenable number.

2040947588609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040947588609 is an equidigital number, since it uses as much as digits as its factorization.

2040947588609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 2040947588609 in words is "two trillion, forty billion, nine hundred forty-seven million, five hundred eighty-eight thousand, six hundred nine".