1359663568 has 20 divisors (see below), whose sum is σ = 2705547940. Its totient is φ = 661457664.

The previous prime is 1359663563. The next prime is 1359663581. The reversal of 1359663568 is 8653669531.

It can be written as a sum of positive squares in 2 ways, for example, as 1156544064 + 203119504 = 34008^2 + 14252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359663563) 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, 1147773 + ... + 1148956.

It is an arithmetic number, because the mean of its divisors is an integer number (135277397).

Almost surely, 2^1359663568 is an apocalyptic number.

It is an amenable number.

1359663568 is a deficient number, since it is larger than the sum of its proper divisors (1345884372).

1359663568 is a wasteful number, since it uses less digits than its factorization.

1359663568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296774 (or 2296768 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 52.

The square root of 1359663568 is about 36873.6161503045. The cubic root of 1359663568 is about 1107.8402850760.

The spelling of 1359663568 in words is "one billion, three hundred fifty-nine million, six hundred sixty-three thousand, five hundred sixty-eight".