573243738681 has 8 divisors (see below), whose sum is σ = 771892559424. Its totient is φ = 378378705200.

The previous prime is 573243738671. The next prime is 573243738757. The reversal of 573243738681 is 186837342375.

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 573243738681 - 2⁵ = 573243738649 is a prime.

It is a super-2 number, since 2×573243738681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (573243738611) 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, 945946461 + ... + 945947066.

It is an arithmetic number, because the mean of its divisors is an integer number (96486569928).

Almost surely, 2^573243738681 is an apocalyptic number.

It is an amenable number.

573243738681 is a deficient number, since it is larger than the sum of its proper divisors (198648820743).

573243738681 is a wasteful number, since it uses less digits than its factorization.

573243738681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891893631.

The product of its digits is 20321280, while the sum is 57.

The spelling of 573243738681 in words is "five hundred seventy-three billion, two hundred forty-three million, seven hundred thirty-eight thousand, six hundred eighty-one".