5811398842 has 8 divisors (see below), whose sum is σ = 8785737216. Its totient is φ = 2882819772.

The previous prime is 5811398839. The next prime is 5811398851. The reversal of 5811398842 is 2488931185.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11439508 + ... + 11440015.

It is an arithmetic number, because the mean of its divisors is an integer number (1098217152).

Almost surely, 2^5811398842 is an apocalyptic number.

5811398842 is a deficient number, since it is larger than the sum of its proper divisors (2974338374).

5811398842 is a wasteful number, since it uses less digits than its factorization.

5811398842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879652.

The product of its digits is 552960, while the sum is 49.

The square root of 5811398842 is about 76232.5313891648. The cubic root of 5811398842 is about 1797.8780387726.

The spelling of 5811398842 in words is "five billion, eight hundred eleven million, three hundred ninety-eight thousand, eight hundred forty-two".