42357543568 has 10 divisors (see below), whose sum is σ = 82067740694. Its totient is φ = 21178771776.

The previous prime is 42357543517. The next prime is 42357543577. The reversal of 42357543568 is 86534575324.

It can be written as a sum of positive squares in only one way, i.e., 39749194384 + 2608349184 = 199372^2 + 51072^2 .

It is a super-2 number, since 2×42357543568² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323673221 + ... + 1323673252.

Almost surely, 2^42357543568 is an apocalyptic number.

It is an amenable number.

42357543568 is a deficient number, since it is larger than the sum of its proper divisors (39710197126).

42357543568 is a wasteful number, since it uses less digits than its factorization.

42357543568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647346481 (or 2647346475 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 52.

The spelling of 42357543568 in words is "forty-two billion, three hundred fifty-seven million, five hundred forty-three thousand, five hundred sixty-eight".