544293531689 has 2 divisors, whose sum is σ = 544293531690. Its totient is φ = 544293531688.

The previous prime is 544293531643. The next prime is 544293531737. The reversal of 544293531689 is 986135392445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523463826064 + 20829705625 = 723508^2 + 144325^2 .

It is a cyclic number.

It is not a de Polignac number, because 544293531689 - 2²⁴ = 544276754473 is a prime.

It is not a weakly prime, because it can be changed into another prime (544293521689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272146765844 + 272146765845.

It is an arithmetic number, because the mean of its divisors is an integer number (272146765845).

Almost surely, 2^544293531689 is an apocalyptic number.

It is an amenable number.

544293531689 is a deficient number, since it is larger than the sum of its proper divisors (1).

544293531689 is an equidigital number, since it uses as much as digits as its factorization.

544293531689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 59.

The spelling of 544293531689 in words is "five hundred forty-four billion, two hundred ninety-three million, five hundred thirty-one thousand, six hundred eighty-nine".