2067864915 has 16 divisors (see below), whose sum is σ = 3342695328. Its totient is φ = 1091490816.

The previous prime is 2067864913. The next prime is 2067864937. The reversal of 2067864915 is 5194687602.

It is not a de Polignac number, because 2067864915 - 2¹ = 2067864913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2067864913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709152 + ... + 712061.

It is an arithmetic number, because the mean of its divisors is an integer number (208918458).

Almost surely, 2^2067864915 is an apocalyptic number.

2067864915 is a deficient number, since it is larger than the sum of its proper divisors (1274830413).

2067864915 is a wasteful number, since it uses less digits than its factorization.

2067864915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421318.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 2067864915 is about 45473.7827214759. The cubic root of 2067864915 is about 1274.0135730543.

The spelling of 2067864915 in words is "two billion, sixty-seven million, eight hundred sixty-four thousand, nine hundred fifteen".