4404004004431 has 2 divisors, whose sum is σ = 4404004004432. Its totient is φ = 4404004004430.

The previous prime is 4404004004369. The next prime is 4404004004441. The reversal of 4404004004431 is 1344004004044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4404004004431 - 2¹³ = 4404003996239 is a prime.

It is a super-2 number, since 2×4404004004431² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4404004004431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4404004004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202002002215 + 2202002002216.

It is an arithmetic number, because the mean of its divisors is an integer number (2202002002216).

Almost surely, 2^{4404004004431} is an apocalyptic number.

4404004004431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404004004431 is an equidigital number, since it uses as much as digits as its factorization.

4404004004431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4404004004431 its reverse (1344004004044), we get a palindrome (5748008008475).

The spelling of 4404004004431 in words is "four trillion, four hundred four billion, four million, four thousand, four hundred thirty-one".