5158219823 has 4 divisors (see below), whose sum is σ = 5164368720. Its totient is φ = 5152070928.

The previous prime is 5158219811. The next prime is 5158219831. The reversal of 5158219823 is 3289128515.

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 5158219823 - 2⁸ = 5158219567 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 (5158219723) 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, 3073190 + ... + 3074867.

It is an arithmetic number, because the mean of its divisors is an integer number (1291092180).

Almost surely, 2^5158219823 is an apocalyptic number.

5158219823 is a deficient number, since it is larger than the sum of its proper divisors (6148897).

5158219823 is an equidigital number, since it uses as much as digits as its factorization.

5158219823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148896.

The product of its digits is 172800, while the sum is 44.

The square root of 5158219823 is about 71820.7478588186. The cubic root of 5158219823 is about 1727.8257764332.

The spelling of 5158219823 in words is "five billion, one hundred fifty-eight million, two hundred nineteen thousand, eight hundred twenty-three".