573445209021 has 16 divisors (see below), whose sum is σ = 772503290880. Its totient is φ = 378361594800.

The previous prime is 573445209013. The next prime is 573445209107. The reversal of 573445209021 is 120902544375.

It is a happy number.

It is not a de Polignac number, because 573445209021 - 2³ = 573445209013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573445209011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336455 + ... + 2570196.

It is an arithmetic number, because the mean of its divisors is an integer number (48281455680).

Almost surely, 2^573445209021 is an apocalyptic number.

It is an amenable number.

573445209021 is a deficient number, since it is larger than the sum of its proper divisors (199058081859).

573445209021 is a wasteful number, since it uses less digits than its factorization.

573445209021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907056.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 573445209021 in words is "five hundred seventy-three billion, four hundred forty-five million, two hundred nine thousand, twenty-one".