544532453609 has 2 divisors, whose sum is σ = 544532453610. Its totient is φ = 544532453608.

The previous prime is 544532453503. The next prime is 544532453627. The reversal of 544532453609 is 906354235445.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542395425625 + 2137027984 = 736475^2 + 46228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544532453609 is a prime.

It is not a weakly prime, because it can be changed into another prime (544532453629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272266226804 + 272266226805.

It is an arithmetic number, because the mean of its divisors is an integer number (272266226805).

Almost surely, 2^544532453609 is an apocalyptic number.

It is an amenable number.

544532453609 is a deficient number, since it is larger than the sum of its proper divisors (1).

544532453609 is an equidigital number, since it uses as much as digits as its factorization.

544532453609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 544532453609 in words is "five hundred forty-four billion, five hundred thirty-two million, four hundred fifty-three thousand, six hundred nine".