5681621822 has 8 divisors (see below), whose sum is σ = 8730297072. Its totient is φ = 2771522800.

The previous prime is 5681621809. The next prime is 5681621903. The reversal of 5681621822 is 2281261865.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 5681621822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34643954 + ... + 34644117.

It is an arithmetic number, because the mean of its divisors is an integer number (1091287134).

Almost surely, 2^5681621822 is an apocalyptic number.

5681621822 is a deficient number, since it is larger than the sum of its proper divisors (3048675250).

5681621822 is a wasteful number, since it uses less digits than its factorization.

5681621822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69288114.

The product of its digits is 92160, while the sum is 41.

The square root of 5681621822 is about 75376.5336295057. The cubic root of 5681621822 is about 1784.3940824653.

The spelling of 5681621822 in words is "five billion, six hundred eighty-one million, six hundred twenty-one thousand, eight hundred twenty-two".