547085544749 has 2 divisors, whose sum is σ = 547085544750. Its totient is φ = 547085544748.

The previous prime is 547085544743. The next prime is 547085544767. The reversal of 547085544749 is 947445580745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521418300649 + 25667244100 = 722093^2 + 160210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547085544749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 547085544691 and 547085544700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547085544743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273542772374 + 273542772375.

It is an arithmetic number, because the mean of its divisors is an integer number (273542772375).

Almost surely, 2^547085544749 is an apocalyptic number.

It is an amenable number.

547085544749 is a deficient number, since it is larger than the sum of its proper divisors (1).

547085544749 is an equidigital number, since it uses as much as digits as its factorization.

547085544749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896000, while the sum is 62.

The spelling of 547085544749 in words is "five hundred forty-seven billion, eighty-five million, five hundred forty-four thousand, seven hundred forty-nine".