2623871863 has 4 divisors (see below), whose sum is σ = 2637467248. Its totient is φ = 2610276480.

The previous prime is 2623871849. The next prime is 2623871879. The reversal of 2623871863 is 3681783262.

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 2623871863 - 2⁹ = 2623871351 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 (2623871893) 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, 6797403 + ... + 6797788.

It is an arithmetic number, because the mean of its divisors is an integer number (659366812).

Almost surely, 2^2623871863 is an apocalyptic number.

2623871863 is a deficient number, since it is larger than the sum of its proper divisors (13595385).

2623871863 is a wasteful number, since it uses less digits than its factorization.

2623871863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595384.

The product of its digits is 580608, while the sum is 46.

The square root of 2623871863 is about 51223.7431568604. The cubic root of 2623871863 is about 1379.2644443541.

The spelling of 2623871863 in words is "two billion, six hundred twenty-three million, eight hundred seventy-one thousand, eight hundred sixty-three".