544891973 has 4 divisors (see below), whose sum is σ = 576944460. Its totient is φ = 512839488.

The previous prime is 544891951. The next prime is 544891979. The reversal of 544891973 is 379198445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379198445 = 5 ⋅75839689.

It can be written as a sum of positive squares in 2 ways, for example, as 407111329 + 137780644 = 20177^2 + 11738^2 .

It is a cyclic number.

It is not a de Polignac number, because 544891973 - 2⁸ = 544891717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544891979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16026218 + ... + 16026251.

It is an arithmetic number, because the mean of its divisors is an integer number (144236115).

Almost surely, 2^544891973 is an apocalyptic number.

It is an amenable number.

544891973 is a deficient number, since it is larger than the sum of its proper divisors (32052487).

544891973 is a wasteful number, since it uses less digits than its factorization.

544891973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32052486.

The product of its digits is 1088640, while the sum is 50.

The square root of 544891973 is about 23342.9212610590. The cubic root of 544891973 is about 816.7769441715.

The spelling of 544891973 in words is "five hundred forty-four million, eight hundred ninety-one thousand, nine hundred seventy-three".