2006865345 has 16 divisors (see below), whose sum is σ = 3350593152. Its totient is φ = 1023792000.

The previous prime is 2006865313. The next prime is 2006865389. The reversal of 2006865345 is 5435686002.

It is not a de Polignac number, because 2006865345 - 2⁵ = 2006865313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908156 + ... + 2908845.

It is an arithmetic number, because the mean of its divisors is an integer number (209412072).

Almost surely, 2^2006865345 is an apocalyptic number.

It is an amenable number.

2006865345 is a deficient number, since it is larger than the sum of its proper divisors (1343727807).

2006865345 is a wasteful number, since it uses less digits than its factorization.

2006865345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817032.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2006865345 is about 44798.0506830375. The cubic root of 2006865345 is about 1261.3610355965.

The spelling of 2006865345 in words is "two billion, six million, eight hundred sixty-five thousand, three hundred forty-five".