2404021393 has 2 divisors, whose sum is σ = 2404021394. Its totient is φ = 2404021392.

The previous prime is 2404021273. The next prime is 2404021441. The reversal of 2404021393 is 3931204042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2260812304 + 143209089 = 47548^2 + 11967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2404021393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2404021093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202010696 + 1202010697.

It is an arithmetic number, because the mean of its divisors is an integer number (1202010697).

Almost surely, 2^2404021393 is an apocalyptic number.

It is an amenable number.

2404021393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404021393 is an equidigital number, since it uses as much as digits as its factorization.

2404021393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2404021393 is about 49030.8208477076. The cubic root of 2404021393 is about 1339.6132753848.

The spelling of 2404021393 in words is "two billion, four hundred four million, twenty-one thousand, three hundred ninety-three".