1104631643 has 2 divisors, whose sum is σ = 1104631644. Its totient is φ = 1104631642.

The previous prime is 1104631607. The next prime is 1104631679. The reversal of 1104631643 is 3461364011.

It is a balanced prime because it is at equal distance from previous prime (1104631607) and next prime (1104631679).

It is a cyclic number.

It is not a de Polignac number, because 1104631643 - 2⁶ = 1104631579 is a prime.

It is a super-2 number, since 2×1104631643² = 2440422133433758898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1104631543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552315821 + 552315822.

It is an arithmetic number, because the mean of its divisors is an integer number (552315822).

Almost surely, 2^1104631643 is an apocalyptic number.

1104631643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104631643 is an equidigital number, since it uses as much as digits as its factorization.

1104631643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1104631643 is about 33235.9992026718. Note that the first 3 decimals coincide. The cubic root of 1104631643 is about 1033.7269209537.

Adding to 1104631643 its reverse (3461364011), we get a palindrome (4565995654).

The spelling of 1104631643 in words is "one billion, one hundred four million, six hundred thirty-one thousand, six hundred forty-three".