1099493663 has 2 divisors, whose sum is σ = 1099493664. Its totient is φ = 1099493662.

The previous prime is 1099493657. The next prime is 1099493669. The reversal of 1099493663 is 3663949901.

It is a balanced prime because it is at equal distance from previous prime (1099493657) and next prime (1099493669).

It is a cyclic number.

It is not a de Polignac number, because 1099493663 - 2⁸ = 1099493407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099493669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549746831 + 549746832.

It is an arithmetic number, because the mean of its divisors is an integer number (549746832).

Almost surely, 2^1099493663 is an apocalyptic number.

1099493663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099493663 is an equidigital number, since it uses as much as digits as its factorization.

1099493663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 1099493663 is about 33158.6137074516. The cubic root of 1099493663 is about 1032.1217027790.

The spelling of 1099493663 in words is "one billion, ninety-nine million, four hundred ninety-three thousand, six hundred sixty-three".