4855660993 has 2 divisors, whose sum is σ = 4855660994. Its totient is φ = 4855660992.

The previous prime is 4855660949. The next prime is 4855661009. The reversal of 4855660993 is 3990665584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4737981889 + 117679104 = 68833^2 + 10848^2 .

It is a cyclic number.

It is not a de Polignac number, because 4855660993 - 2¹³ = 4855652801 is a prime.

It is not a weakly prime, because it can be changed into another prime (4855660493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427830496 + 2427830497.

It is an arithmetic number, because the mean of its divisors is an integer number (2427830497).

Almost surely, 2^4855660993 is an apocalyptic number.

It is an amenable number.

4855660993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4855660993 is an equidigital number, since it uses as much as digits as its factorization.

4855660993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The square root of 4855660993 is about 69682.5730939953. The cubic root of 4855660993 is about 1693.3606078293.

The spelling of 4855660993 in words is "four billion, eight hundred fifty-five million, six hundred sixty thousand, nine hundred ninety-three".