4073891922 has 20 divisors (see below), whose sum is σ = 9128535966. Its totient is φ = 1357963920.

The previous prime is 4073891891. The next prime is 4073891923. The reversal of 4073891922 is 2291983704.

It can be written as a sum of positive squares in only one way, i.e., 3013021881 + 1060870041 = 54891^2 + 32571^2 .

It is not an unprimeable number, because it can be changed into a prime (4073891923) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12573579 + ... + 12573902.

Almost surely, 2^4073891922 is an apocalyptic number.

4073891922 is an abundant number, since it is smaller than the sum of its proper divisors (5054644044).

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

4073891922 is a wasteful number, since it uses less digits than its factorization.

4073891922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147495 (or 25147486 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 4073891922 is about 63827.0469471994. The cubic root of 4073891922 is about 1597.1161492614.

The spelling of 4073891922 in words is "four billion, seventy-three million, eight hundred ninety-one thousand, nine hundred twenty-two".