571897473652 has 12 divisors (see below), whose sum is σ = 1000831492836. Its totient is φ = 285945618560.

The previous prime is 571897473613. The next prime is 571897473659. The reversal of 571897473652 is 256374798175.

It can be written as a sum of positive squares in 2 ways, for example, as 272738795536 + 299158678116 = 522244^2 + 546954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571897473659) 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, 339283 + ... + 1122010.

It is an arithmetic number, because the mean of its divisors is an integer number (83402624403).

Almost surely, 2^571897473652 is an apocalyptic number.

It is an amenable number.

571897473652 is a deficient number, since it is larger than the sum of its proper divisors (428934019184).

571897473652 is a wasteful number, since it uses less digits than its factorization.

571897473652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559138 (or 1559136 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 64.

The spelling of 571897473652 in words is "five hundred seventy-one billion, eight hundred ninety-seven million, four hundred seventy-three thousand, six hundred fifty-two".