30206065085773 has 2 divisors, whose sum is σ = 30206065085774. Its totient is φ = 30206065085772.

The previous prime is 30206065085741. The next prime is 30206065085783. The reversal of 30206065085773 is 37758056060203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28760460442884 + 1445604642889 = 5362878^2 + 1202333^2 .

It is a cyclic number.

It is not a de Polignac number, because 30206065085773 - 2⁵ = 30206065085741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30206065085773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30206065085783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15103032542886 + 15103032542887.

It is an arithmetic number, because the mean of its divisors is an integer number (15103032542887).

Almost surely, 2^{30206065085773} is an apocalyptic number.

It is an amenable number.

30206065085773 is a deficient number, since it is larger than the sum of its proper divisors (1).

30206065085773 is an equidigital number, since it uses as much as digits as its factorization.

30206065085773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 30206065085773 in words is "thirty trillion, two hundred six billion, sixty-five million, eighty-five thousand, seven hundred seventy-three".