4028766805313 has 2 divisors, whose sum is σ = 4028766805314. Its totient is φ = 4028766805312.

The previous prime is 4028766805187. The next prime is 4028766805361. The reversal of 4028766805313 is 3135086678204.

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., 2251419223729 + 1777347581584 = 1500473^2 + 1333172^2 .

It is a cyclic number.

It is not a de Polignac number, because 4028766805313 - 2³⁰ = 4027693063489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4028765805313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014383402656 + 2014383402657.

It is an arithmetic number, because the mean of its divisors is an integer number (2014383402657).

Almost surely, 2^{4028766805313} is an apocalyptic number.

It is an amenable number.

4028766805313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028766805313 is an equidigital number, since it uses as much as digits as its factorization.

4028766805313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 4028766805313 in words is "four trillion, twenty-eight billion, seven hundred sixty-six million, eight hundred five thousand, three hundred thirteen".