3842921973 has 16 divisors (see below), whose sum is σ = 5591287872. Its totient is φ = 2328384000.

The previous prime is 3842921939. The next prime is 3842921977. The reversal of 3842921973 is 3791292483.

3842921973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3842921973 - 2⁸ = 3842921717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842921977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118213 + ... + 147173.

It is an arithmetic number, because the mean of its divisors is an integer number (349455492).

Almost surely, 2^3842921973 is an apocalyptic number.

3842921973 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3842921973 is a deficient number, since it is larger than the sum of its proper divisors (1748365899).

3842921973 is a wasteful number, since it uses less digits than its factorization.

3842921973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32996.

The product of its digits is 653184, while the sum is 48.

The square root of 3842921973 is about 61991.3056242567. The cubic root of 3842921973 is about 1566.3441480408.

The spelling of 3842921973 in words is "three billion, eight hundred forty-two million, nine hundred twenty-one thousand, nine hundred seventy-three".