30645885983 has 2 divisors, whose sum is σ = 30645885984. Its totient is φ = 30645885982.

The previous prime is 30645885971. The next prime is 30645885997. The reversal of 30645885983 is 38958854603.

It is a weak prime.

It is an emirp because it is prime and its reverse (38958854603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30645885983 - 2²² = 30641691679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30645888983) 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, 15322942991 + 15322942992.

It is an arithmetic number, because the mean of its divisors is an integer number (15322942992).

Almost surely, 2^30645885983 is an apocalyptic number.

30645885983 is a deficient number, since it is larger than the sum of its proper divisors (1).

30645885983 is an equidigital number, since it uses as much as digits as its factorization.

30645885983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 30645885983 in words is "thirty billion, six hundred forty-five million, eight hundred eighty-five thousand, nine hundred eighty-three".