30436112989 has 2 divisors, whose sum is σ = 30436112990. Its totient is φ = 30436112988.

The previous prime is 30436112929. The next prime is 30436113023. The reversal of 30436112989 is 98921163403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20727360900 + 9708752089 = 143970^2 + 98533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30436112989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30436112929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15218056494 + 15218056495.

It is an arithmetic number, because the mean of its divisors is an integer number (15218056495).

Almost surely, 2^30436112989 is an apocalyptic number.

It is an amenable number.

30436112989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30436112989 is an equidigital number, since it uses as much as digits as its factorization.

30436112989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 30436112989 in words is "thirty billion, four hundred thirty-six million, one hundred twelve thousand, nine hundred eighty-nine".