1089695093 has 2 divisors, whose sum is σ = 1089695094. Its totient is φ = 1089695092.

The previous prime is 1089695083. The next prime is 1089695183. The reversal of 1089695093 is 3905969801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907093924 + 182601169 = 30118^2 + 13513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089695093 - 2¹² = 1089690997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089695083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544847546 + 544847547.

It is an arithmetic number, because the mean of its divisors is an integer number (544847547).

Almost surely, 2^1089695093 is an apocalyptic number.

It is an amenable number.

1089695093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089695093 is an equidigital number, since it uses as much as digits as its factorization.

1089695093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 1089695093 is about 33010.5300320973. The cubic root of 1089695093 is about 1029.0464965391.

The spelling of 1089695093 in words is "one billion, eighty-nine million, six hundred ninety-five thousand, ninety-three".