1090671443 has 2 divisors, whose sum is σ = 1090671444. Its totient is φ = 1090671442.

The previous prime is 1090671409. The next prime is 1090671503. The reversal of 1090671443 is 3441760901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090671443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090673443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545335721 + 545335722.

It is an arithmetic number, because the mean of its divisors is an integer number (545335722).

Almost surely, 2^1090671443 is an apocalyptic number.

1090671443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090671443 is an equidigital number, since it uses as much as digits as its factorization.

1090671443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1090671443 is about 33025.3151839615. The cubic root of 1090671443 is about 1029.3537413928.

The spelling of 1090671443 in words is "one billion, ninety million, six hundred seventy-one thousand, four hundred forty-three".