30023213249 has 2 divisors, whose sum is σ = 30023213250. Its totient is φ = 30023213248.

The previous prime is 30023213201. The next prime is 30023213279. The reversal of 30023213249 is 94231232003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26979705025 + 3043508224 = 164255^2 + 55168^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023213249 - 2²⁰ = 30022164673 is a prime.

It is not a weakly prime, because it can be changed into another prime (30023213279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011606624 + 15011606625.

It is an arithmetic number, because the mean of its divisors is an integer number (15011606625).

Almost surely, 2^30023213249 is an apocalyptic number.

It is an amenable number.

30023213249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023213249 is an equidigital number, since it uses as much as digits as its factorization.

30023213249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 30023213249 in words is "thirty billion, twenty-three million, two hundred thirteen thousand, two hundred forty-nine".