1099868059 has 2 divisors, whose sum is σ = 1099868060. Its totient is φ = 1099868058.

The previous prime is 1099868051. The next prime is 1099868071. The reversal of 1099868059 is 9508689901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1099868059 - 2³ = 1099868051 is a prime.

It is a super-3 number, since 3×1099868059³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1099868051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549934029 + 549934030.

It is an arithmetic number, because the mean of its divisors is an integer number (549934030).

Almost surely, 2^1099868059 is an apocalyptic number.

1099868059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099868059 is an equidigital number, since it uses as much as digits as its factorization.

1099868059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The square root of 1099868059 is about 33164.2587584888. The cubic root of 1099868059 is about 1032.2388410574.

The spelling of 1099868059 in words is "one billion, ninety-nine million, eight hundred sixty-eight thousand, fifty-nine".