573144808481 has 4 divisors (see below), whose sum is σ = 655022638272. Its totient is φ = 491266978692.

The previous prime is 573144808469. The next prime is 573144808493. The reversal of 573144808481 is 184808441375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (573144808469) and next prime (573144808493).

It is a de Polignac number, because none of the positive numbers 2^k-573144808481 is a prime.

It is a super-2 number, since 2×573144808481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573144808421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40938914885 + ... + 40938914898.

It is an arithmetic number, because the mean of its divisors is an integer number (163755659568).

Almost surely, 2^573144808481 is an apocalyptic number.

It is an amenable number.

573144808481 is a deficient number, since it is larger than the sum of its proper divisors (81877829791).

573144808481 is an equidigital number, since it uses as much as digits as its factorization.

573144808481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81877829790.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 573144808481 in words is "five hundred seventy-three billion, one hundred forty-four million, eight hundred eight thousand, four hundred eighty-one".