211048650679 has 2 divisors, whose sum is σ = 211048650680. Its totient is φ = 211048650678.

The previous prime is 211048650671. The next prime is 211048650731. The reversal of 211048650679 is 976056840112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211048650679 - 2³ = 211048650671 is a prime.

It is a super-2 number, since 2×211048650679² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211048650671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105524325339 + 105524325340.

It is an arithmetic number, because the mean of its divisors is an integer number (105524325340).

Almost surely, 2^211048650679 is an apocalyptic number.

211048650679 is a deficient number, since it is larger than the sum of its proper divisors (1).

211048650679 is an equidigital number, since it uses as much as digits as its factorization.

211048650679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 211048650679 in words is "two hundred eleven billion, forty-eight million, six hundred fifty thousand, six hundred seventy-nine".