573245628321621 has 8 divisors (see below), whose sum is σ = 766029792859200. Its totient is φ = 381312607999232.

The previous prime is 573245628321559. The next prime is 573245628321623. The reversal of 573245628321621 is 126123826542375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 573245628321621 - 2⁷ = 573245628321493 is a prime.

It is a super-2 number, since 2×573245628321621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573245628321623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212786052225 + ... + 212786054918.

It is an arithmetic number, because the mean of its divisors is an integer number (95753724107400).

Almost surely, 2^{573245628321621} is an apocalyptic number.

It is an amenable number.

573245628321621 is a deficient number, since it is larger than the sum of its proper divisors (192784164537579).

573245628321621 is a wasteful number, since it uses less digits than its factorization.

573245628321621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425572107595.

The product of its digits is 29030400, while the sum is 57.

The spelling of 573245628321621 in words is "five hundred seventy-three trillion, two hundred forty-five billion, six hundred twenty-eight million, three hundred twenty-one thousand, six hundred twenty-one".