30255275293 has 2 divisors, whose sum is σ = 30255275294. Its totient is φ = 30255275292.

The previous prime is 30255275243. The next prime is 30255275327. The reversal of 30255275293 is 39257255203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30238775449 + 16499844 = 173893^2 + 4062^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255275293 - 2²¹ = 30253178141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30255275203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127637646 + 15127637647.

It is an arithmetic number, because the mean of its divisors is an integer number (15127637647).

Almost surely, 2^30255275293 is an apocalyptic number.

It is an amenable number.

30255275293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30255275293 is an equidigital number, since it uses as much as digits as its factorization.

30255275293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 30255275293 in words is "thirty billion, two hundred fifty-five million, two hundred seventy-five thousand, two hundred ninety-three".