30348893521 has 2 divisors, whose sum is σ = 30348893522. Its totient is φ = 30348893520.

The previous prime is 30348893479. The next prime is 30348893563. The reversal of 30348893521 is 12539884303.

It is a balanced prime because it is at equal distance from previous prime (30348893479) and next prime (30348893563).

It can be written as a sum of positive squares in only one way, i.e., 17137689921 + 13211203600 = 130911^2 + 114940^2 .

It is a cyclic number.

It is not a de Polignac number, because 30348893521 - 2¹⁷ = 30348762449 is a prime.

It is not a weakly prime, because it can be changed into another prime (30348863521) 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, 15174446760 + 15174446761.

It is an arithmetic number, because the mean of its divisors is an integer number (15174446761).

Almost surely, 2^30348893521 is an apocalyptic number.

It is an amenable number.

30348893521 is a deficient number, since it is larger than the sum of its proper divisors (1).

30348893521 is an equidigital number, since it uses as much as digits as its factorization.

30348893521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 30348893521 in words is "thirty billion, three hundred forty-eight million, eight hundred ninety-three thousand, five hundred twenty-one".