305811102827473 has 2 divisors, whose sum is σ = 305811102827474. Its totient is φ = 305811102827472.

The previous prime is 305811102827429. The next prime is 305811102827501. The reversal of 305811102827473 is 374728201118503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255252290764689 + 50558812062784 = 15976617^2 + 7110472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305811102827473 is a prime.

It is a super-2 number, since 2×305811102827473² (a number of 30 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 305811102827473.

It is not a weakly prime, because it can be changed into another prime (305811102327473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152905551413736 + 152905551413737.

It is an arithmetic number, because the mean of its divisors is an integer number (152905551413737).

Almost surely, 2^{305811102827473} is an apocalyptic number.

It is an amenable number.

305811102827473 is a deficient number, since it is larger than the sum of its proper divisors (1).

305811102827473 is an equidigital number, since it uses as much as digits as its factorization.

305811102827473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 305811102827473 in words is "three hundred five trillion, eight hundred eleven billion, one hundred two million, eight hundred twenty-seven thousand, four hundred seventy-three".