4886502865261 has 2 divisors, whose sum is σ = 4886502865262. Its totient is φ = 4886502865260.

The previous prime is 4886502865249. The next prime is 4886502865351. The reversal of 4886502865261 is 1625682056884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4854945119236 + 31557746025 = 2203394^2 + 177645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4886502865261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4886502865261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4886502865241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443251432630 + 2443251432631.

It is an arithmetic number, because the mean of its divisors is an integer number (2443251432631).

Almost surely, 2^{4886502865261} is an apocalyptic number.

It is an amenable number.

4886502865261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4886502865261 is an equidigital number, since it uses as much as digits as its factorization.

4886502865261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 4886502865261 in words is "four trillion, eight hundred eighty-six billion, five hundred two million, eight hundred sixty-five thousand, two hundred sixty-one".