5181905822 has 8 divisors (see below), whose sum is σ = 7828779000. Its totient is φ = 2572312824.

The previous prime is 5181905821. The next prime is 5181905851. The reversal of 5181905822 is 2285091815.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5181905822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181905821) 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, 9319697 + ... + 9320252.

It is an arithmetic number, because the mean of its divisors is an integer number (978597375).

Almost surely, 2^5181905822 is an apocalyptic number.

5181905822 is a deficient number, since it is larger than the sum of its proper divisors (2646873178).

5181905822 is a wasteful number, since it uses less digits than its factorization.

5181905822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18640090.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 5181905822 is about 71985.4556282031. The cubic root of 5181905822 is about 1730.4664030326.

The spelling of 5181905822 in words is "five billion, one hundred eighty-one million, nine hundred five thousand, eight hundred twenty-two".