573445989 has 24 divisors (see below), whose sum is σ = 880431552. Its totient is φ = 358416000.

The previous prime is 573445949. The next prime is 573446059. The reversal of 573445989 is 989544375.

573445989 is a `hidden beast` number, since 5 + 7 + 3 + 44 + 598 + 9 = 666.

It is not a de Polignac number, because 573445989 - 2²⁴ = 556668773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573445949) 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, 33114 + ... + 47364.

It is an arithmetic number, because the mean of its divisors is an integer number (36684648).

Almost surely, 2^573445989 is an apocalyptic number.

It is an amenable number.

573445989 is a deficient number, since it is larger than the sum of its proper divisors (306985563).

573445989 is a wasteful number, since it uses less digits than its factorization.

573445989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537 (or 14534 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 573445989 is about 23946.7323240562. The cubic root of 573445989 is about 830.8019485710.

The spelling of 573445989 in words is "five hundred seventy-three million, four hundred forty-five thousand, nine hundred eighty-nine".