2045709611 has 6 divisors (see below), whose sum is σ = 2248590036. Its totient is φ = 1859735900.

The previous prime is 2045709607. The next prime is 2045709683. The reversal of 2045709611 is 1169075402.

It is not a de Polignac number, because 2045709611 - 2² = 2045709607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045709811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8453225 + ... + 8453466.

It is an arithmetic number, because the mean of its divisors is an integer number (374765006).

Almost surely, 2^2045709611 is an apocalyptic number.

2045709611 is a deficient number, since it is larger than the sum of its proper divisors (202880425).

2045709611 is a wasteful number, since it uses less digits than its factorization.

2045709611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906713 (or 16906702 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2045709611 is about 45229.5214544660. The cubic root of 2045709611 is about 1269.4472579667.

The spelling of 2045709611 in words is "two billion, forty-five million, seven hundred nine thousand, six hundred eleven".