544664513546473 has 2 divisors, whose sum is σ = 544664513546474. Its totient is φ = 544664513546472.

The previous prime is 544664513546389. The next prime is 544664513546537. The reversal of 544664513546473 is 374645315466445.

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., 506228940219024 + 38435573327449 = 22499532^2 + 6199643^2 .

It is a cyclic number.

It is not a de Polignac number, because 544664513546473 - 2⁴¹ = 542465490290921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544664513546399 and 544664513546408.

It is not a weakly prime, because it can be changed into another prime (544664513546173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272332256773236 + 272332256773237.

It is an arithmetic number, because the mean of its divisors is an integer number (272332256773237).

Almost surely, 2^{544664513546473} is an apocalyptic number.

It is an amenable number.

544664513546473 is a deficient number, since it is larger than the sum of its proper divisors (1).

544664513546473 is an equidigital number, since it uses as much as digits as its factorization.

544664513546473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824000, while the sum is 67.

The spelling of 544664513546473 in words is "five hundred forty-four trillion, six hundred sixty-four billion, five hundred thirteen million, five hundred forty-six thousand, four hundred seventy-three".