1104645643 has 2 divisors, whose sum is σ = 1104645644. Its totient is φ = 1104645642.

The previous prime is 1104645631. The next prime is 1104645671. The reversal of 1104645643 is 3465464011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1104645643 - 2¹⁷ = 1104514571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1104645599 and 1104645608.

It is not a weakly prime, because it can be changed into another prime (1104645623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552322821 + 552322822.

It is an arithmetic number, because the mean of its divisors is an integer number (552322822).

Almost surely, 2^1104645643 is an apocalyptic number.

1104645643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104645643 is an equidigital number, since it uses as much as digits as its factorization.

1104645643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1104645643 is about 33236.2098170053. The cubic root of 1104645643 is about 1033.7312880553.

The spelling of 1104645643 in words is "one billion, one hundred four million, six hundred forty-five thousand, six hundred forty-three".