30703964689 has 2 divisors, whose sum is σ = 30703964690. Its totient is φ = 30703964688.

The previous prime is 30703964651. The next prime is 30703964729. The reversal of 30703964689 is 98646930703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27877979089 + 2825985600 = 166967^2 + 53160^2 .

It is an emirp because it is prime and its reverse (98646930703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30703964689 - 2²³ = 30695576081 is a prime.

It is not a weakly prime, because it can be changed into another prime (30703964189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15351982344 + 15351982345.

It is an arithmetic number, because the mean of its divisors is an integer number (15351982345).

Almost surely, 2^30703964689 is an apocalyptic number.

It is an amenable number.

30703964689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30703964689 is an equidigital number, since it uses as much as digits as its factorization.

30703964689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 30703964689 in words is "thirty billion, seven hundred three million, nine hundred sixty-four thousand, six hundred eighty-nine".