547761870769 has 2 divisors, whose sum is σ = 547761870770. Its totient is φ = 547761870768.

The previous prime is 547761870767. The next prime is 547761870809. The reversal of 547761870769 is 967078167745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536739390625 + 11022480144 = 732625^2 + 104988^2 .

It is a cyclic number.

It is not a de Polignac number, because 547761870769 - 2¹ = 547761870767 is a prime.

It is a super-2 number, since 2×547761870769² (a number of 24 digits) contains 22 as substring.

Together with 547761870767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (547761870767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273880935384 + 273880935385.

It is an arithmetic number, because the mean of its divisors is an integer number (273880935385).

Almost surely, 2^547761870769 is an apocalyptic number.

It is an amenable number.

547761870769 is a deficient number, since it is larger than the sum of its proper divisors (1).

547761870769 is an equidigital number, since it uses as much as digits as its factorization.

547761870769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124467840, while the sum is 67.

The spelling of 547761870769 in words is "five hundred forty-seven billion, seven hundred sixty-one million, eight hundred seventy thousand, seven hundred sixty-nine".