30255274993 has 2 divisors, whose sum is σ = 30255274994. Its totient is φ = 30255274992.

The previous prime is 30255274991. The next prime is 30255274999. The reversal of 30255274993 is 39947255203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30252340624 + 2934369 = 173932^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255274993 - 2¹ = 30255274991 is a prime.

Together with 30255274991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30255274991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127637496 + 15127637497.

It is an arithmetic number, because the mean of its divisors is an integer number (15127637497).

Almost surely, 2^30255274993 is an apocalyptic number.

It is an amenable number.

30255274993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30255274993 is an equidigital number, since it uses as much as digits as its factorization.

30255274993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 30255274993 in words is "thirty billion, two hundred fifty-five million, two hundred seventy-four thousand, nine hundred ninety-three".