1086688693 has 2 divisors, whose sum is σ = 1086688694. Its totient is φ = 1086688692.

The previous prime is 1086688643. The next prime is 1086688711. The reversal of 1086688693 is 3968866801.

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., 548355889 + 538332804 = 23417^2 + 23202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086688693 - 2⁹ = 1086688181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086688643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543344346 + 543344347.

It is an arithmetic number, because the mean of its divisors is an integer number (543344347).

Almost surely, 2^1086688693 is an apocalyptic number.

It is an amenable number.

1086688693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086688693 is an equidigital number, since it uses as much as digits as its factorization.

1086688693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 1086688693 is about 32964.9615956094. The cubic root of 1086688693 is about 1028.0992667721.

The spelling of 1086688693 in words is "one billion, eighty-six million, six hundred eighty-eight thousand, six hundred ninety-three".