845062860641 has 2 divisors, whose sum is σ = 845062860642. Its totient is φ = 845062860640.

The previous prime is 845062860623. The next prime is 845062860643. The reversal of 845062860641 is 146068260548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638041500625 + 207021360016 = 798775^2 + 454996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845062860641 is a prime.

Together with 845062860643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845062860641.

It is not a weakly prime, because it can be changed into another prime (845062860643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422531430320 + 422531430321.

It is an arithmetic number, because the mean of its divisors is an integer number (422531430321).

Almost surely, 2^845062860641 is an apocalyptic number.

It is an amenable number.

845062860641 is a deficient number, since it is larger than the sum of its proper divisors (1).

845062860641 is an equidigital number, since it uses as much as digits as its factorization.

845062860641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 845062860641 in words is "eight hundred forty-five billion, sixty-two million, eight hundred sixty thousand, six hundred forty-one".