4184021393 has 2 divisors, whose sum is σ = 4184021394. Its totient is φ = 4184021392.

The previous prime is 4184021363. The next prime is 4184021431. The reversal of 4184021393 is 3931204814.

4184021393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4107143569 + 76877824 = 64087^2 + 8768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4184021393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4184021363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2092010696 + 2092010697.

It is an arithmetic number, because the mean of its divisors is an integer number (2092010697).

Almost surely, 2^4184021393 is an apocalyptic number.

It is an amenable number.

4184021393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4184021393 is an equidigital number, since it uses as much as digits as its factorization.

4184021393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4184021393 is about 64684.0118808350. The cubic root of 4184021393 is about 1611.3799869211.

The spelling of 4184021393 in words is "four billion, one hundred eighty-four million, twenty-one thousand, three hundred ninety-three".