6221764692 has 144 divisors (see below), whose sum is σ = 18589963392. Its totient is φ = 1729693440.

The previous prime is 6221764673. The next prime is 6221764709. The reversal of 6221764692 is 2964671226.

6221764692 is a `hidden beast` number, since 622 + 17 + 6 + 4 + 6 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856098 + ... + 863334.

It is an arithmetic number, because the mean of its divisors is an integer number (129096968).

Almost surely, 2^6221764692 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 6221764692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9294981696).

6221764692 is an abundant number, since it is smaller than the sum of its proper divisors (12368198700).

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

6221764692 is a wasteful number, since it uses less digits than its factorization.

6221764692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438 (or 7433 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 6221764692 is about 78878.1635942420. The cubic root of 6221764692 is about 1839.2377013208.

The spelling of 6221764692 in words is "six billion, two hundred twenty-one million, seven hundred sixty-four thousand, six hundred ninety-two".