211757349283 has 2 divisors, whose sum is σ = 211757349284. Its totient is φ = 211757349282.

The previous prime is 211757349191. The next prime is 211757349337. The reversal of 211757349283 is 382943757112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211757349283 - 2²¹ = 211755252131 is a prime.

It is a super-2 number, since 2×211757349283² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211757349283.

It is not a weakly prime, because it can be changed into another prime (211757344283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105878674641 + 105878674642.

It is an arithmetic number, because the mean of its divisors is an integer number (105878674642).

Almost surely, 2^211757349283 is an apocalyptic number.

211757349283 is a deficient number, since it is larger than the sum of its proper divisors (1).

211757349283 is an equidigital number, since it uses as much as digits as its factorization.

211757349283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The spelling of 211757349283 in words is "two hundred eleven billion, seven hundred fifty-seven million, three hundred forty-nine thousand, two hundred eighty-three".