4191922068 has 12 divisors (see below), whose sum is σ = 9781151520. Its totient is φ = 1397307352.

The previous prime is 4191922051. The next prime is 4191922069. The reversal of 4191922068 is 8602291914.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191922069) 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, 174663408 + ... + 174663431.

It is an arithmetic number, because the mean of its divisors is an integer number (815095960).

Almost surely, 2^4191922068 is an apocalyptic number.

It is an amenable number.

4191922068 is an abundant number, since it is smaller than the sum of its proper divisors (5589229452).

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

4191922068 is a wasteful number, since it uses less digits than its factorization.

4191922068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349326846 (or 349326844 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 4191922068 is about 64745.0543902776. The cubic root of 4191922068 is about 1612.3936038446.

The spelling of 4191922068 in words is "four billion, one hundred ninety-one million, nine hundred twenty-two thousand, sixty-eight".