4020044203393 has 2 divisors, whose sum is σ = 4020044203394. Its totient is φ = 4020044203392.

The previous prime is 4020044203387. The next prime is 4020044203453. The reversal of 4020044203393 is 3933024400204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3998108223729 + 21935979664 = 1999527^2 + 148108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020044203393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020044203313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010022101696 + 2010022101697.

It is an arithmetic number, because the mean of its divisors is an integer number (2010022101697).

Almost surely, 2^{4020044203393} is an apocalyptic number.

It is an amenable number.

4020044203393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020044203393 is an equidigital number, since it uses as much as digits as its factorization.

4020044203393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 4020044203393 its reverse (3933024400204), we get a palindrome (7953068603597).

The spelling of 4020044203393 in words is "four trillion, twenty billion, forty-four million, two hundred three thousand, three hundred ninety-three".