8212502728049 has 2 divisors, whose sum is σ = 8212502728050. Its totient is φ = 8212502728048.

The previous prime is 8212502727941. The next prime is 8212502728051. The reversal of 8212502728049 is 9408272052128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5470640323600 + 2741862404449 = 2338940^2 + 1655857^2 .

It is a cyclic number.

It is not a de Polignac number, because 8212502728049 - 2³⁶ = 8143783251313 is a prime.

Together with 8212502728051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8212502727988 and 8212502728006.

It is not a weakly prime, because it can be changed into another prime (8212502748049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106251364024 + 4106251364025.

It is an arithmetic number, because the mean of its divisors is an integer number (4106251364025).

Almost surely, 2^{8212502728049} is an apocalyptic number.

It is an amenable number.

8212502728049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212502728049 is an equidigital number, since it uses as much as digits as its factorization.

8212502728049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 8212502728049 in words is "eight trillion, two hundred twelve billion, five hundred two million, seven hundred twenty-eight thousand, forty-nine".