1090546643 has 2 divisors, whose sum is σ = 1090546644. Its totient is φ = 1090546642.

The previous prime is 1090546627. The next prime is 1090546661. The reversal of 1090546643 is 3466450901.

It is a weak prime.

It is an emirp because it is prime and its reverse (3466450901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1090546643 - 2⁴ = 1090546627 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1090546597 and 1090546606.

It is not a weakly prime, because it can be changed into another prime (1090546663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545273321 + 545273322.

It is an arithmetic number, because the mean of its divisors is an integer number (545273322).

Almost surely, 2^1090546643 is an apocalyptic number.

1090546643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090546643 is an equidigital number, since it uses as much as digits as its factorization.

1090546643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1090546643 is about 33023.4256702723. The cubic root of 1090546643 is about 1029.3144786530.

The spelling of 1090546643 in words is "one billion, ninety million, five hundred forty-six thousand, six hundred forty-three".