522650827649 has 2 divisors, whose sum is σ = 522650827650. Its totient is φ = 522650827648.

The previous prime is 522650827631. The next prime is 522650827651. The reversal of 522650827649 is 946728056225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518302084624 + 4348743025 = 719932^2 + 65945^2 .

It is a cyclic number.

It is not a de Polignac number, because 522650827649 - 2¹² = 522650823553 is a prime.

Together with 522650827651, 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 = 522650827594 and 522650827603.

It is not a weakly prime, because it can be changed into another prime (522650877649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261325413824 + 261325413825.

It is an arithmetic number, because the mean of its divisors is an integer number (261325413825).

Almost surely, 2^522650827649 is an apocalyptic number.

It is an amenable number.

522650827649 is a deficient number, since it is larger than the sum of its proper divisors (1).

522650827649 is an equidigital number, since it uses as much as digits as its factorization.

522650827649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 522650827649 in words is "five hundred twenty-two billion, six hundred fifty million, eight hundred twenty-seven thousand, six hundred forty-nine".