5819491806 has 8 divisors (see below), whose sum is σ = 11638983624. Its totient is φ = 1939830600.

The previous prime is 5819491759. The next prime is 5819491807. The reversal of 5819491806 is 6081949185.

It is a sphenic number, since it is the product of 3 distinct primes.

5819491806 is an admirable number.

It is a super-2 number, since 2×5819491806² = 67732969760202283272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 484957645 + ... + 484957656.

It is an arithmetic number, because the mean of its divisors is an integer number (1454872953).

Almost surely, 2^5819491806 is an apocalyptic number.

5819491806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5819491806 is a wasteful number, since it uses less digits than its factorization.

5819491806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969915306.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 5819491806 is about 76285.5936989416. The cubic root of 5819491806 is about 1798.7122276754.

The spelling of 5819491806 in words is "five billion, eight hundred nineteen million, four hundred ninety-one thousand, eight hundred six".