30703964189 has 2 divisors, whose sum is σ = 30703964190. Its totient is φ = 30703964188.

The previous prime is 30703964183. The next prime is 30703964201. The reversal of 30703964189 is 98146930703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23005305625 + 7698658564 = 151675^2 + 87742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30703964189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30703964183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15351982094 + 15351982095.

It is an arithmetic number, because the mean of its divisors is an integer number (15351982095).

Almost surely, 2^30703964189 is an apocalyptic number.

It is an amenable number.

30703964189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30703964189 is an equidigital number, since it uses as much as digits as its factorization.

30703964189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 30703964189 in words is "thirty billion, seven hundred three million, nine hundred sixty-four thousand, one hundred eighty-nine".