4004202444391 has 2 divisors, whose sum is σ = 4004202444392. Its totient is φ = 4004202444390.

The previous prime is 4004202444377. The next prime is 4004202444413. The reversal of 4004202444391 is 1934442024004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4004202444391 - 2¹¹ = 4004202442343 is a prime.

It is a super-3 number, since 3×4004202444391³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4004202444391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004202444191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002101222195 + 2002101222196.

It is an arithmetic number, because the mean of its divisors is an integer number (2002101222196).

Almost surely, 2^{4004202444391} is an apocalyptic number.

4004202444391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004202444391 is an equidigital number, since it uses as much as digits as its factorization.

4004202444391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 4004202444391 its reverse (1934442024004), we get a palindrome (5938644468395).

The spelling of 4004202444391 in words is "four trillion, four billion, two hundred two million, four hundred forty-four thousand, three hundred ninety-one".