211332302849 has 2 divisors, whose sum is σ = 211332302850. Its totient is φ = 211332302848.

The previous prime is 211332302813. The next prime is 211332302879. The reversal of 211332302849 is 948203233112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118151687824 + 93180615025 = 343732^2 + 305255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211332302849 is a prime.

It is a super-2 number, since 2×211332302849² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211332302879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666151424 + 105666151425.

It is an arithmetic number, because the mean of its divisors is an integer number (105666151425).

Almost surely, 2^211332302849 is an apocalyptic number.

It is an amenable number.

211332302849 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332302849 is an equidigital number, since it uses as much as digits as its factorization.

211332302849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 211332302849 in words is "two hundred eleven billion, three hundred thirty-two million, three hundred two thousand, eight hundred forty-nine".