1099996806427 has 2 divisors, whose sum is σ = 1099996806428. Its totient is φ = 1099996806426.

The previous prime is 1099996806413. The next prime is 1099996806443. The reversal of 1099996806427 is 7246086999901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1099996806427 - 2⁷ = 1099996806299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099996806487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549998403213 + 549998403214.

It is an arithmetic number, because the mean of its divisors is an integer number (549998403214).

Almost surely, 2^{1099996806427} is an apocalyptic number.

1099996806427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099996806427 is an equidigital number, since it uses as much as digits as its factorization.

1099996806427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 70.

The spelling of 1099996806427 in words is "one trillion, ninety-nine billion, nine hundred ninety-six million, eight hundred six thousand, four hundred twenty-seven".