1000986445691 has 2 divisors, whose sum is σ = 1000986445692. Its totient is φ = 1000986445690.

The previous prime is 1000986445663. The next prime is 1000986445703. The reversal of 1000986445691 is 1965446890001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000986445691 - 2¹⁴ = 1000986429307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1000986445651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500493222845 + 500493222846.

It is an arithmetic number, because the mean of its divisors is an integer number (500493222846).

Almost surely, 2^{1000986445691} is an apocalyptic number.

1000986445691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000986445691 is an equidigital number, since it uses as much as digits as its factorization.

1000986445691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1000986445691 in words is "one trillion, nine hundred eighty-six million, four hundred forty-five thousand, six hundred ninety-one".