649207288211 has 2 divisors, whose sum is σ = 649207288212. Its totient is φ = 649207288210.

The previous prime is 649207288193. The next prime is 649207288277. The reversal of 649207288211 is 112882702946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 649207288211 - 2¹⁸ = 649207026067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 649207288211.

It is not a weakly prime, because it can be changed into another prime (649207288111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324603644105 + 324603644106.

It is an arithmetic number, because the mean of its divisors is an integer number (324603644106).

Almost surely, 2^649207288211 is an apocalyptic number.

649207288211 is a deficient number, since it is larger than the sum of its proper divisors (1).

649207288211 is an equidigital number, since it uses as much as digits as its factorization.

649207288211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 649207288211 in words is "six hundred forty-nine billion, two hundred seven million, two hundred eighty-eight thousand, two hundred eleven".