2005670536 has 16 divisors (see below), whose sum is σ = 3802887900. Its totient is φ = 991567104.

The previous prime is 2005670521. The next prime is 2005670549. The reversal of 2005670536 is 6350765002.

It can be written as a sum of positive squares in 2 ways, for example, as 1936880100 + 68790436 = 44010^2 + 8294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407765 + ... + 1409188.

Almost surely, 2^2005670536 is an apocalyptic number.

It is an amenable number.

2005670536 is a deficient number, since it is larger than the sum of its proper divisors (1797217364).

2005670536 is a wasteful number, since it uses less digits than its factorization.

2005670536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817048 (or 2817044 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2005670536 is about 44784.7131954644. The cubic root of 2005670536 is about 1261.1106642555.

The spelling of 2005670536 in words is "two billion, five million, six hundred seventy thousand, five hundred thirty-six".