214245520549 has 2 divisors, whose sum is σ = 214245520550. Its totient is φ = 214245520548.

The previous prime is 214245520547. The next prime is 214245520583. The reversal of 214245520549 is 945025542412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111477189924 + 102768330625 = 333882^2 + 320575^2 .

It is a cyclic number.

It is not a de Polignac number, because 214245520549 - 2¹ = 214245520547 is a prime.

It is a super-2 number, since 2×214245520549² (a number of 23 digits) contains 22 as substring.

Together with 214245520547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214245520547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107122760274 + 107122760275.

It is an arithmetic number, because the mean of its divisors is an integer number (107122760275).

Almost surely, 2^214245520549 is an apocalyptic number.

It is an amenable number.

214245520549 is a deficient number, since it is larger than the sum of its proper divisors (1).

214245520549 is an equidigital number, since it uses as much as digits as its factorization.

214245520549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 214245520549 in words is "two hundred fourteen billion, two hundred forty-five million, five hundred twenty thousand, five hundred forty-nine".