544631489 has 2 divisors, whose sum is σ = 544631490. Its totient is φ = 544631488.

The previous prime is 544631473. The next prime is 544631501. The reversal of 544631489 is 984136445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391367089 + 153264400 = 19783^2 + 12380^2 .

It is a cyclic number.

It is not a de Polignac number, because 544631489 - 2⁴ = 544631473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544631089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272315744 + 272315745.

It is an arithmetic number, because the mean of its divisors is an integer number (272315745).

Almost surely, 2^544631489 is an apocalyptic number.

It is an amenable number.

544631489 is a deficient number, since it is larger than the sum of its proper divisors (1).

544631489 is an equidigital number, since it uses as much as digits as its factorization.

544631489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The square root of 544631489 is about 23337.3410867648. The cubic root of 544631489 is about 816.6467708235.

The spelling of 544631489 in words is "five hundred forty-four million, six hundred thirty-one thousand, four hundred eighty-nine".