3796938207421 has 4 divisors (see below), whose sum is σ = 3796942209244. Its totient is φ = 3796934205600.

The previous prime is 3796938207397. The next prime is 3796938207427. The reversal of 3796938207421 is 1247028396973.

3796938207421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2309977459321 + 1486960748100 = 1519861^2 + 1219410^2 .

It is a cyclic number.

It is not a de Polignac number, because 3796938207421 - 2¹¹ = 3796938205373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3796938207421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3796938207427) 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, 318481 + ... + 2774041.

It is an arithmetic number, because the mean of its divisors is an integer number (949235552311).

Almost surely, 2^{3796938207421} is an apocalyptic number.

It is an amenable number.

3796938207421 is a deficient number, since it is larger than the sum of its proper divisors (4001823).

3796938207421 is a wasteful number, since it uses less digits than its factorization.

3796938207421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001822.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 3796938207421 in words is "three trillion, seven hundred ninety-six billion, nine hundred thirty-eight million, two hundred seven thousand, four hundred twenty-one".