4812650697221 has 2 divisors, whose sum is σ = 4812650697222. Its totient is φ = 4812650697220.

The previous prime is 4812650697199. The next prime is 4812650697233. The reversal of 4812650697221 is 1227960562184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4698077925025 + 114572772196 = 2167505^2 + 338486^2 .

It is a cyclic number.

It is not a de Polignac number, because 4812650697221 - 2²⁶ = 4812583588357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4812650697721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2406325348610 + 2406325348611.

It is an arithmetic number, because the mean of its divisors is an integer number (2406325348611).

Almost surely, 2^{4812650697221} is an apocalyptic number.

It is an amenable number.

4812650697221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4812650697221 is an equidigital number, since it uses as much as digits as its factorization.

4812650697221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 4812650697221 in words is "four trillion, eight hundred twelve billion, six hundred fifty million, six hundred ninety-seven thousand, two hundred twenty-one".