544423534631 has 2 divisors, whose sum is σ = 544423534632. Its totient is φ = 544423534630.

The previous prime is 544423534609. The next prime is 544423534679. The reversal of 544423534631 is 136435324445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544423534631 - 2²² = 544419340327 is a prime.

It is a super-2 number, since 2×544423534631² (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 (544423564631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272211767315 + 272211767316.

It is an arithmetic number, because the mean of its divisors is an integer number (272211767316).

Almost surely, 2^544423534631 is an apocalyptic number.

544423534631 is a deficient number, since it is larger than the sum of its proper divisors (1).

544423534631 is an equidigital number, since it uses as much as digits as its factorization.

544423534631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 44.

The spelling of 544423534631 in words is "five hundred forty-four billion, four hundred twenty-three million, five hundred thirty-four thousand, six hundred thirty-one".