1086696691 has 2 divisors, whose sum is σ = 1086696692. Its totient is φ = 1086696690.

The previous prime is 1086696679. The next prime is 1086696701. The reversal of 1086696691 is 1966966801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1966966801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086696691 - 2¹⁷ = 1086565619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1086696641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543348345 + 543348346.

It is an arithmetic number, because the mean of its divisors is an integer number (543348346).

Almost surely, 2^1086696691 is an apocalyptic number.

1086696691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086696691 is an equidigital number, since it uses as much as digits as its factorization.

1086696691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1086696691 is about 32965.0829060083. The cubic root of 1086696691 is about 1028.1017890271.

The spelling of 1086696691 in words is "one billion, eighty-six million, six hundred ninety-six thousand, six hundred ninety-one".