30385555253 has 2 divisors, whose sum is σ = 30385555254. Its totient is φ = 30385555252.

The previous prime is 30385555201. The next prime is 30385555279. The reversal of 30385555253 is 35255558303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29125518244 + 1260037009 = 170662^2 + 35497^2 .

It is a cyclic number.

It is not a de Polignac number, because 30385555253 - 2²⁸ = 30117119797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30385555283) 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, 15192777626 + 15192777627.

It is an arithmetic number, because the mean of its divisors is an integer number (15192777627).

Almost surely, 2^30385555253 is an apocalyptic number.

It is an amenable number.

30385555253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30385555253 is an equidigital number, since it uses as much as digits as its factorization.

30385555253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 30385555253 in words is "thirty billion, three hundred eighty-five million, five hundred fifty-five thousand, two hundred fifty-three".