544453123477 has 2 divisors, whose sum is σ = 544453123478. Its totient is φ = 544453123476.

The previous prime is 544453123391. The next prime is 544453123493. The reversal of 544453123477 is 774321354445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361452261681 + 183000861796 = 601209^2 + 427786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544453123477 is a prime.

It is a super-2 number, since 2×544453123477² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544453123477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544453193477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272226561738 + 272226561739.

It is an arithmetic number, because the mean of its divisors is an integer number (272226561739).

Almost surely, 2^544453123477 is an apocalyptic number.

It is an amenable number.

544453123477 is a deficient number, since it is larger than the sum of its proper divisors (1).

544453123477 is an equidigital number, since it uses as much as digits as its factorization.

544453123477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 49.

The spelling of 544453123477 in words is "five hundred forty-four billion, four hundred fifty-three million, one hundred twenty-three thousand, four hundred seventy-seven".