30253423289 has 2 divisors, whose sum is σ = 30253423290. Its totient is φ = 30253423288.

The previous prime is 30253423273. The next prime is 30253423301. The reversal of 30253423289 is 98232435203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19167018025 + 11086405264 = 138445^2 + 105292^2 .

It is a cyclic number.

It is not a de Polignac number, because 30253423289 - 2⁴ = 30253423273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30253423229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126711644 + 15126711645.

It is an arithmetic number, because the mean of its divisors is an integer number (15126711645).

Almost surely, 2^30253423289 is an apocalyptic number.

It is an amenable number.

30253423289 is a deficient number, since it is larger than the sum of its proper divisors (1).

30253423289 is an equidigital number, since it uses as much as digits as its factorization.

30253423289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 30253423289 in words is "thirty billion, two hundred fifty-three million, four hundred twenty-three thousand, two hundred eighty-nine".