2645011736 has 16 divisors (see below), whose sum is σ = 5220418200. Its totient is φ = 1252900224.

The previous prime is 2645011723. The next prime is 2645011741. The reversal of 2645011736 is 6371105462.

It is a junction number, because it is equal to n+sod(n) for n = 2645011696 and 2645011705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8700545 + ... + 8700848.

Almost surely, 2^2645011736 is an apocalyptic number.

It is an amenable number.

2645011736 is a deficient number, since it is larger than the sum of its proper divisors (2575406464).

2645011736 is a wasteful number, since it uses less digits than its factorization.

2645011736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401418 (or 17401414 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2645011736 is about 51429.6775801677. The cubic root of 2645011736 is about 1382.9586693415.

The spelling of 2645011736 in words is "two billion, six hundred forty-five million, eleven thousand, seven hundred thirty-six".