572918619481 has 8 divisors (see below), whose sum is σ = 633664669064. Its totient is φ = 514554768000.

The previous prime is 572918619473. The next prime is 572918619487. The reversal of 572918619481 is 184916819275.

It can be written as a sum of positive squares in 4 ways, for example, as 58663262025 + 514255357456 = 242205^2 + 717116^2 .

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

It is not a de Polignac number, because 572918619481 - 2³ = 572918619473 is a prime.

It is a super-2 number, since 2×572918619481² (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 (572918619487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595549020 + ... + 595549981.

It is an arithmetic number, because the mean of its divisors is an integer number (79208083633).

Almost surely, 2^572918619481 is an apocalyptic number.

It is an amenable number.

572918619481 is a deficient number, since it is larger than the sum of its proper divisors (60746049583).

572918619481 is a wasteful number, since it uses less digits than its factorization.

572918619481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191099051.

The product of its digits is 8709120, while the sum is 61.

The spelling of 572918619481 in words is "five hundred seventy-two billion, nine hundred eighteen million, six hundred nineteen thousand, four hundred eighty-one".