1096961189 has 2 divisors, whose sum is σ = 1096961190. Its totient is φ = 1096961188.

The previous prime is 1096961171. The next prime is 1096961293. The reversal of 1096961189 is 9811696901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048658689 + 48302500 = 32383^2 + 6950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096961189 - 2⁸ = 1096960933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1096964189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548480594 + 548480595.

It is an arithmetic number, because the mean of its divisors is an integer number (548480595).

Almost surely, 2^1096961189 is an apocalyptic number.

It is an amenable number.

1096961189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1096961189 is an equidigital number, since it uses as much as digits as its factorization.

1096961189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 50.

The square root of 1096961189 is about 33120.4044208400. The cubic root of 1096961189 is about 1031.3286617487.

The spelling of 1096961189 in words is "one billion, ninety-six million, nine hundred sixty-one thousand, one hundred eighty-nine".