544713021 has 24 divisors (see below), whose sum is σ = 795426944. Its totient is φ = 359186400.

The previous prime is 544713011. The next prime is 544713053. The reversal of 544713021 is 120317445.

544713021 is a `hidden beast` number, since 544 + 71 + 30 + 21 = 666.

It is not a de Polignac number, because 544713021 - 2⁷ = 544712893 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 (544713011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375720 + ... + 377166.

Almost surely, 2^544713021 is an apocalyptic number.

It is an amenable number.

544713021 is a deficient number, since it is larger than the sum of its proper divisors (250713923).

544713021 is a wasteful number, since it uses less digits than its factorization.

544713021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 544713021 is about 23339.0878356460. The cubic root of 544713021 is about 816.6875197970.

The spelling of 544713021 in words is "five hundred forty-four million, seven hundred thirteen thousand, twenty-one".