860615608849 has 2 divisors, whose sum is σ = 860615608850. Its totient is φ = 860615608848.

The previous prime is 860615608837. The next prime is 860615608883. The reversal of 860615608849 is 948806516068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479704456449 + 380911152400 = 692607^2 + 617180^2 .

It is a cyclic number.

It is not a de Polignac number, because 860615608849 - 2¹⁵ = 860615576081 is a prime.

It is not a weakly prime, because it can be changed into another prime (860615608249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430307804424 + 430307804425.

It is an arithmetic number, because the mean of its divisors is an integer number (430307804425).

Almost surely, 2^860615608849 is an apocalyptic number.

It is an amenable number.

860615608849 is a deficient number, since it is larger than the sum of its proper divisors (1).

860615608849 is an equidigital number, since it uses as much as digits as its factorization.

860615608849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 860615608849 in words is "eight hundred sixty billion, six hundred fifteen million, six hundred eight thousand, eight hundred forty-nine".