30482972309 has 2 divisors, whose sum is σ = 30482972310. Its totient is φ = 30482972308.

The previous prime is 30482972281. The next prime is 30482972383. The reversal of 30482972309 is 90327928403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15513449809 + 14969522500 = 124553^2 + 122350^2 .

It is an emirp because it is prime and its reverse (90327928403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30482972309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30482972389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15241486154 + 15241486155.

It is an arithmetic number, because the mean of its divisors is an integer number (15241486155).

Almost surely, 2^30482972309 is an apocalyptic number.

It is an amenable number.

30482972309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30482972309 is an equidigital number, since it uses as much as digits as its factorization.

30482972309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 30482972309 in words is "thirty billion, four hundred eighty-two million, nine hundred seventy-two thousand, three hundred nine".