305745088013 has 2 divisors, whose sum is σ = 305745088014. Its totient is φ = 305745088012.

The previous prime is 305745087937. The next prime is 305745088063. The reversal of 305745088013 is 310880547503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300833601289 + 4911486724 = 548483^2 + 70082^2 .

It is an emirp because it is prime and its reverse (310880547503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305745088013 - 2⁸ = 305745087757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305745088063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152872544006 + 152872544007.

It is an arithmetic number, because the mean of its divisors is an integer number (152872544007).

Almost surely, 2^305745088013 is an apocalyptic number.

It is an amenable number.

305745088013 is a deficient number, since it is larger than the sum of its proper divisors (1).

305745088013 is an equidigital number, since it uses as much as digits as its factorization.

305745088013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 305745088013 in words is "three hundred five billion, seven hundred forty-five million, eighty-eight thousand, thirteen".