1096428661 has 2 divisors, whose sum is σ = 1096428662. Its totient is φ = 1096428660.

The previous prime is 1096428631. The next prime is 1096428689. The reversal of 1096428661 is 1668246901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081752100 + 14676561 = 32890^2 + 3831^2 .

It is an emirp because it is prime and its reverse (1668246901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1096428661 - 2⁷ = 1096428533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1096428631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548214330 + 548214331.

It is an arithmetic number, because the mean of its divisors is an integer number (548214331).

Almost surely, 2^1096428661 is an apocalyptic number.

It is an amenable number.

1096428661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1096428661 is an equidigital number, since it uses as much as digits as its factorization.

1096428661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1096428661 is about 33112.3641711068. The cubic root of 1096428661 is about 1031.1617460024.

The spelling of 1096428661 in words is "one billion, ninety-six million, four hundred twenty-eight thousand, six hundred sixty-one".