5819491808 has 48 divisors (see below), whose sum is σ = 12421382400. Its totient is φ = 2667864576.

The previous prime is 5819491807. The next prime is 5819491819. The reversal of 5819491808 is 8081949185.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5819491808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5819491807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15041 + ... + 108927.

It is an arithmetic number, because the mean of its divisors is an integer number (258778800).

Almost surely, 2^5819491808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5819491808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6210691200).

5819491808 is an abundant number, since it is smaller than the sum of its proper divisors (6601890592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5819491808 is a wasteful number, since it uses less digits than its factorization.

5819491808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94059 (or 94051 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 53.

The square root of 5819491808 is about 76285.5937120502. The cubic root of 5819491808 is about 1798.7122278814.

The spelling of 5819491808 in words is "five billion, eight hundred nineteen million, four hundred ninety-one thousand, eight hundred eight".