30530724457 has 2 divisors, whose sum is σ = 30530724458. Its totient is φ = 30530724456.

The previous prime is 30530724353. The next prime is 30530724467. The reversal of 30530724457 is 75442703503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23303854336 + 7226870121 = 152656^2 + 85011^2 .

It is a cyclic number.

It is not a de Polignac number, because 30530724457 - 2¹⁵ = 30530691689 is a prime.

It is not a weakly prime, because it can be changed into another prime (30530724467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265362228 + 15265362229.

It is an arithmetic number, because the mean of its divisors is an integer number (15265362229).

Almost surely, 2^30530724457 is an apocalyptic number.

It is an amenable number.

30530724457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30530724457 is an equidigital number, since it uses as much as digits as its factorization.

30530724457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 30530724457 in words is "thirty billion, five hundred thirty million, seven hundred twenty-four thousand, four hundred fifty-seven".