1096779869 has 2 divisors, whose sum is σ = 1096779870. Its totient is φ = 1096779868.

The previous prime is 1096779833. The next prime is 1096779877. The reversal of 1096779869 is 9689776901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084911844 + 11868025 = 32938^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096779869 - 2¹² = 1096775773 is a prime.

It is a super-2 number, since 2×1096779869² = 2405852162087314322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1096779269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548389934 + 548389935.

It is an arithmetic number, because the mean of its divisors is an integer number (548389935).

Almost surely, 2^1096779869 is an apocalyptic number.

It is an amenable number.

1096779869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1096779869 is an equidigital number, since it uses as much as digits as its factorization.

1096779869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 1096779869 is about 33117.6670223010. The cubic root of 1096779869 is about 1031.2718348165.

The spelling of 1096779869 in words is "one billion, ninety-six million, seven hundred seventy-nine thousand, eight hundred sixty-nine".