211932630959377 has 2 divisors, whose sum is σ = 211932630959378. Its totient is φ = 211932630959376.

The previous prime is 211932630959369. The next prime is 211932630959393. The reversal of 211932630959377 is 773959036239112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151630557034896 + 60302073924481 = 12313836^2 + 7765441^2 .

It is a cyclic number.

It is not a de Polignac number, because 211932630959377 - 2³ = 211932630959369 is a prime.

It is not a weakly prime, because it can be changed into another prime (211932630959477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105966315479688 + 105966315479689.

It is an arithmetic number, because the mean of its divisors is an integer number (105966315479689).

Almost surely, 2^{211932630959377} is an apocalyptic number.

It is an amenable number.

211932630959377 is a deficient number, since it is larger than the sum of its proper divisors (1).

211932630959377 is an equidigital number, since it uses as much as digits as its factorization.

211932630959377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115736040, while the sum is 67.

The spelling of 211932630959377 in words is "two hundred eleven trillion, nine hundred thirty-two billion, six hundred thirty million, nine hundred fifty-nine thousand, three hundred seventy-seven".