8419949622 has 192 divisors, whose sum is σ = 22465175040. Its totient is φ = 2289036672.

The previous prime is 8419949611. The next prime is 8419949627. The reversal of 8419949622 is 2269499148.

8419949622 is a `hidden beast` number, since 8 + 4 + 1 + 9 + 9 + 4 + 9 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8419949627) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27426393 + ... + 27426699.

It is an arithmetic number, because the mean of its divisors is an integer number (117006120).

Almost surely, 2^8419949622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8419949622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11232587520).

8419949622 is an abundant number, since it is smaller than the sum of its proper divisors (14045225418).

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

8419949622 is a wasteful number, since it uses less digits than its factorization.

8419949622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 409 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 8419949622 is about 91760.2834673041. The cubic root of 8419949622 is about 2034.4007050714.

The spelling of 8419949622 in words is "eight billion, four hundred nineteen million, nine hundred forty-nine thousand, six hundred twenty-two".