211601063249 has 2 divisors, whose sum is σ = 211601063250. Its totient is φ = 211601063248.

The previous prime is 211601063119. The next prime is 211601063269. The reversal of 211601063249 is 942360106112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210366243649 + 1234819600 = 458657^2 + 35140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211601063249 is a prime.

It is not a weakly prime, because it can be changed into another prime (211601063269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105800531624 + 105800531625.

It is an arithmetic number, because the mean of its divisors is an integer number (105800531625).

Almost surely, 2^211601063249 is an apocalyptic number.

It is an amenable number.

211601063249 is a deficient number, since it is larger than the sum of its proper divisors (1).

211601063249 is an equidigital number, since it uses as much as digits as its factorization.

211601063249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 211601063249 in words is "two hundred eleven billion, six hundred one million, sixty-three thousand, two hundred forty-nine".