1043404447 has 2 divisors, whose sum is σ = 1043404448. Its totient is φ = 1043404446.

The previous prime is 1043404391. The next prime is 1043404457. The reversal of 1043404447 is 7444043401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043404447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043404457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521702223 + 521702224.

It is an arithmetic number, because the mean of its divisors is an integer number (521702224).

Almost surely, 2^1043404447 is an apocalyptic number.

1043404447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043404447 is an equidigital number, since it uses as much as digits as its factorization.

1043404447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 1043404447 is about 32301.7715768036. The cubic root of 1043404447 is about 1014.2637277340.

Adding to 1043404447 its reverse (7444043401), we get a palindrome (8487447848).

The spelling of 1043404447 in words is "one billion, forty-three million, four hundred four thousand, four hundred forty-seven".