30663502253 has 2 divisors, whose sum is σ = 30663502254. Its totient is φ = 30663502252.

The previous prime is 30663502213. The next prime is 30663502267. The reversal of 30663502253 is 35220536603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29090031364 + 1573470889 = 170558^2 + 39667^2 .

It is a cyclic number.

It is not a de Polignac number, because 30663502253 - 2⁶ = 30663502189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30663502213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15331751126 + 15331751127.

It is an arithmetic number, because the mean of its divisors is an integer number (15331751127).

Almost surely, 2^30663502253 is an apocalyptic number.

It is an amenable number.

30663502253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30663502253 is an equidigital number, since it uses as much as digits as its factorization.

30663502253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 35.

It can be divided in two parts, 3066350 and 2253, that added together give a palindrome (3068603).

The spelling of 30663502253 in words is "thirty billion, six hundred sixty-three million, five hundred two thousand, two hundred fifty-three".