3800063921 has 2 divisors, whose sum is σ = 3800063922. Its totient is φ = 3800063920.

The previous prime is 3800063909. The next prime is 3800063929. The reversal of 3800063921 is 1293600083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3725759521 + 74304400 = 61039^2 + 8620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800063921 - 2¹⁰ = 3800062897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3800063929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900031960 + 1900031961.

It is an arithmetic number, because the mean of its divisors is an integer number (1900031961).

Almost surely, 2^3800063921 is an apocalyptic number.

It is an amenable number.

3800063921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800063921 is an equidigital number, since it uses as much as digits as its factorization.

3800063921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3800063921 is about 61644.6584952825. The cubic root of 3800063921 is about 1560.4995004947.

The spelling of 3800063921 in words is "three billion, eight hundred million, sixty-three thousand, nine hundred twenty-one".