30953169209 has 2 divisors, whose sum is σ = 30953169210. Its totient is φ = 30953169208.

The previous prime is 30953169197. The next prime is 30953169253. The reversal of 30953169209 is 90296135903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28638115984 + 2315053225 = 169228^2 + 48115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30953169209 is a prime.

It is not a weakly prime, because it can be changed into another prime (30953199209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15476584604 + 15476584605.

It is an arithmetic number, because the mean of its divisors is an integer number (15476584605).

Almost surely, 2^30953169209 is an apocalyptic number.

It is an amenable number.

30953169209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30953169209 is an equidigital number, since it uses as much as digits as its factorization.

30953169209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 30953169209 in words is "thirty billion, nine hundred fifty-three million, one hundred sixty-nine thousand, two hundred nine".