211454280539 has 2 divisors, whose sum is σ = 211454280540. Its totient is φ = 211454280538.

The previous prime is 211454280523. The next prime is 211454280551. The reversal of 211454280539 is 935082454112.

211454280539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211454280539 - 2⁴ = 211454280523 is a prime.

It is a super-2 number, since 2×211454280539² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211454280539.

It is not a weakly prime, because it can be changed into another prime (211454280839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105727140269 + 105727140270.

It is an arithmetic number, because the mean of its divisors is an integer number (105727140270).

Almost surely, 2^211454280539 is an apocalyptic number.

211454280539 is a deficient number, since it is larger than the sum of its proper divisors (1).

211454280539 is an equidigital number, since it uses as much as digits as its factorization.

211454280539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 211454280539 in words is "two hundred eleven billion, four hundred fifty-four million, two hundred eighty thousand, five hundred thirty-nine".