1104043643 has 2 divisors, whose sum is σ = 1104043644. Its totient is φ = 1104043642.

The previous prime is 1104043607. The next prime is 1104043649. The reversal of 1104043643 is 3463404011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1104043643 - 2⁸ = 1104043387 is a prime.

It is a super-2 number, since 2×1104043643² = 2437824731297422898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1104043649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552021821 + 552021822.

It is an arithmetic number, because the mean of its divisors is an integer number (552021822).

Almost surely, 2^1104043643 is an apocalyptic number.

1104043643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104043643 is an equidigital number, since it uses as much as digits as its factorization.

1104043643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1104043643 is about 33227.1521951551. The cubic root of 1104043643 is about 1033.5434693583.

Adding to 1104043643 its reverse (3463404011), we get a palindrome (4567447654).

The spelling of 1104043643 in words is "one billion, one hundred four million, forty-three thousand, six hundred forty-three".