1099010009 has 2 divisors, whose sum is σ = 1099010010. Its totient is φ = 1099010008.

The previous prime is 1099009997. The next prime is 1099010021. The reversal of 1099010009 is 9000109901.

It is a balanced prime because it is at equal distance from previous prime (1099009997) and next prime (1099010021).

It can be written as a sum of positive squares in only one way, i.e., 683665609 + 415344400 = 26147^2 + 20380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099010009 - 2⁴ = 1099009993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099010069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549505004 + 549505005.

It is an arithmetic number, because the mean of its divisors is an integer number (549505005).

Almost surely, 2^1099010009 is an apocalyptic number.

It is an amenable number.

1099010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099010009 is an equidigital number, since it uses as much as digits as its factorization.

1099010009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 1099010009 is about 33151.3198681440. The cubic root of 1099010009 is about 1031.9703412870.

The spelling of 1099010009 in words is "one billion, ninety-nine million, ten thousand, nine".