30233129989 has 2 divisors, whose sum is σ = 30233129990. Its totient is φ = 30233129988.

The previous prime is 30233129959. The next prime is 30233130013. The reversal of 30233129989 is 98992133203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17276999364 + 12956130625 = 131442^2 + 113825^2 .

It is a cyclic number.

It is not a de Polignac number, because 30233129989 - 2¹³ = 30233121797 is a prime.

It is a super-2 number, since 2×30233129989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30233129959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116564994 + 15116564995.

It is an arithmetic number, because the mean of its divisors is an integer number (15116564995).

Almost surely, 2^30233129989 is an apocalyptic number.

It is an amenable number.

30233129989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30233129989 is an equidigital number, since it uses as much as digits as its factorization.

30233129989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 30233129989 in words is "thirty billion, two hundred thirty-three million, one hundred twenty-nine thousand, nine hundred eighty-nine".