30245784493 has 2 divisors, whose sum is σ = 30245784494. Its totient is φ = 30245784492.

The previous prime is 30245784451. The next prime is 30245784521. The reversal of 30245784493 is 39448754203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27501910569 + 2743873924 = 165837^2 + 52382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30245784493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30245784433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15122892246 + 15122892247.

It is an arithmetic number, because the mean of its divisors is an integer number (15122892247).

Almost surely, 2^30245784493 is an apocalyptic number.

It is an amenable number.

30245784493 is a deficient number, since it is larger than the sum of its proper divisors (1).

30245784493 is an equidigital number, since it uses as much as digits as its factorization.

30245784493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 30245784493 in words is "thirty billion, two hundred forty-five million, seven hundred eighty-four thousand, four hundred ninety-three".