8856305685013 has 2 divisors, whose sum is σ = 8856305685014. Its totient is φ = 8856305685012.

The previous prime is 8856305684983. The next prime is 8856305685037. The reversal of 8856305685013 is 3105865036588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8814860054289 + 41445630724 = 2968983^2 + 203582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8856305685013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8856305685083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428152842506 + 4428152842507.

It is an arithmetic number, because the mean of its divisors is an integer number (4428152842507).

Almost surely, 2^{8856305685013} is an apocalyptic number.

It is an amenable number.

8856305685013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8856305685013 is an equidigital number, since it uses as much as digits as its factorization.

8856305685013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 8856305685013 in words is "eight trillion, eight hundred fifty-six billion, three hundred five million, six hundred eighty-five thousand, thirteen".