547144369 has 2 divisors, whose sum is σ = 547144370. Its totient is φ = 547144368.

The previous prime is 547144313. The next prime is 547144399. The reversal of 547144369 is 963441745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471454369 + 75690000 = 21713^2 + 8700^2 .

It is a cyclic number.

It is not a de Polignac number, because 547144369 - 2¹⁵ = 547111601 is a prime.

It is a super-2 number, since 2×547144369² = 598733921056816322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (547144399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273572184 + 273572185.

It is an arithmetic number, because the mean of its divisors is an integer number (273572185).

Almost surely, 2^547144369 is an apocalyptic number.

It is an amenable number.

547144369 is a deficient number, since it is larger than the sum of its proper divisors (1).

547144369 is an equidigital number, since it uses as much as digits as its factorization.

547144369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 547144369 is about 23391.1173097824. The cubic root of 547144369 is about 817.9008220015.

The spelling of 547144369 in words is "five hundred forty-seven million, one hundred forty-four thousand, three hundred sixty-nine".