30212961593 has 2 divisors, whose sum is σ = 30212961594. Its totient is φ = 30212961592.

The previous prime is 30212961551. The next prime is 30212961601. The reversal of 30212961593 is 39516921203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22684275769 + 7528685824 = 150613^2 + 86768^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212961593 - 2¹² = 30212957497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30212961593.

It is not a weakly prime, because it can be changed into another prime (30212961523) 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, 15106480796 + 15106480797.

It is an arithmetic number, because the mean of its divisors is an integer number (15106480797).

Almost surely, 2^30212961593 is an apocalyptic number.

It is an amenable number.

30212961593 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212961593 is an equidigital number, since it uses as much as digits as its factorization.

30212961593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 30212961593 in words is "thirty billion, two hundred twelve million, nine hundred sixty-one thousand, five hundred ninety-three".