30358100909 has 2 divisors, whose sum is σ = 30358100910. Its totient is φ = 30358100908.

The previous prime is 30358100837. The next prime is 30358100917. The reversal of 30358100909 is 90900185303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27290048809 + 3068052100 = 165197^2 + 55390^2 .

It is a cyclic number.

It is not a de Polignac number, because 30358100909 - 2²⁴ = 30341323693 is a prime.

It is a super-2 number, since 2×30358100909² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30358100989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15179050454 + 15179050455.

It is an arithmetic number, because the mean of its divisors is an integer number (15179050455).

Almost surely, 2^30358100909 is an apocalyptic number.

It is an amenable number.

30358100909 is a deficient number, since it is larger than the sum of its proper divisors (1).

30358100909 is an equidigital number, since it uses as much as digits as its factorization.

30358100909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 30358100909 in words is "thirty billion, three hundred fifty-eight million, one hundred thousand, nine hundred nine".