2162615863 has 4 divisors (see below), whose sum is σ = 2164639960. Its totient is φ = 2160591768.

The previous prime is 2162615827. The next prime is 2162615911. The reversal of 2162615863 is 3685162612.

2162615863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2162615863 - 2²⁹ = 1625744951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162615803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010445 + ... + 1012582.

It is an arithmetic number, because the mean of its divisors is an integer number (541159990).

Almost surely, 2^2162615863 is an apocalyptic number.

2162615863 is a deficient number, since it is larger than the sum of its proper divisors (2024097).

2162615863 is a wasteful number, since it uses less digits than its factorization.

2162615863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024096.

The product of its digits is 103680, while the sum is 40.

The square root of 2162615863 is about 46503.9338443534. The cubic root of 2162615863 is about 1293.1824281381.

The spelling of 2162615863 in words is "two billion, one hundred sixty-two million, six hundred fifteen thousand, eight hundred sixty-three".