10530100309 has 4 divisors (see below), whose sum is σ = 10563743116. Its totient is φ = 10496457504.

The previous prime is 10530100291. The next prime is 10530100349. The reversal of 10530100309 is 90300103501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2734976209 + 7795124100 = 52297^2 + 88290^2 .

It is not a de Polignac number, because 10530100309 - 2¹¹ = 10530098261 is a prime.

It is a super-2 number, since 2×10530100309² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10530100309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530100349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16820934 + ... + 16821559.

It is an arithmetic number, because the mean of its divisors is an integer number (2640935779).

Almost surely, 2^10530100309 is an apocalyptic number.

It is an amenable number.

10530100309 is a deficient number, since it is larger than the sum of its proper divisors (33642807).

10530100309 is an equidigital number, since it uses as much as digits as its factorization.

10530100309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33642806.

The product of its (nonzero) digits is 405, while the sum is 22.

The spelling of 10530100309 in words is "ten billion, five hundred thirty million, one hundred thousand, three hundred nine".