544423534679 has 2 divisors, whose sum is σ = 544423534680. Its totient is φ = 544423534678.

The previous prime is 544423534631. The next prime is 544423534709. The reversal of 544423534679 is 976435324445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544423534679 - 2²⁰ = 544422486103 is a prime.

It is a super-2 number, since 2×544423534679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544423534609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272211767339 + 272211767340.

It is an arithmetic number, because the mean of its divisors is an integer number (272211767340).

Almost surely, 2^544423534679 is an apocalyptic number.

544423534679 is a deficient number, since it is larger than the sum of its proper divisors (1).

544423534679 is an equidigital number, since it uses as much as digits as its factorization.

544423534679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 56.

The spelling of 544423534679 in words is "five hundred forty-four billion, four hundred twenty-three million, five hundred thirty-four thousand, six hundred seventy-nine".