30605981713 has 2 divisors, whose sum is σ = 30605981714. Its totient is φ = 30605981712.

The previous prime is 30605981701. The next prime is 30605981737. The reversal of 30605981713 is 31718950603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17437730704 + 13168251009 = 132052^2 + 114753^2 .

It is a cyclic number.

It is not a de Polignac number, because 30605981713 - 2²¹ = 30603884561 is a prime.

It is a super-2 number, since 2×30605981713² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30605981713.

It is not a weakly prime, because it can be changed into another prime (30605981213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15302990856 + 15302990857.

It is an arithmetic number, because the mean of its divisors is an integer number (15302990857).

Almost surely, 2^30605981713 is an apocalyptic number.

It is an amenable number.

30605981713 is a deficient number, since it is larger than the sum of its proper divisors (1).

30605981713 is an equidigital number, since it uses as much as digits as its factorization.

30605981713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 30605981713 in words is "thirty billion, six hundred five million, nine hundred eighty-one thousand, seven hundred thirteen".