2856083446457 has 2 divisors, whose sum is σ = 2856083446458. Its totient is φ = 2856083446456.

The previous prime is 2856083446453. The next prime is 2856083446487. The reversal of 2856083446457 is 7546443806582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2243512682896 + 612570763561 = 1497836^2 + 782669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856083446457 - 2² = 2856083446453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2856083446457.

It is not a weakly prime, because it can be changed into another prime (2856083446453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428041723228 + 1428041723229.

It is an arithmetic number, because the mean of its divisors is an integer number (1428041723229).

Almost surely, 2^{2856083446457} is an apocalyptic number.

It is an amenable number.

2856083446457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856083446457 is an equidigital number, since it uses as much as digits as its factorization.

2856083446457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154828800, while the sum is 62.

The spelling of 2856083446457 in words is "two trillion, eight hundred fifty-six billion, eighty-three million, four hundred forty-six thousand, four hundred fifty-seven".