1493263568 has 40 divisors (see below), whose sum is σ = 2947579200. Its totient is φ = 732644864.

The previous prime is 1493263567. The next prime is 1493263573. The reversal of 1493263568 is 8653623941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493263567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700328 + ... + 702456.

It is an arithmetic number, because the mean of its divisors is an integer number (73689480).

Almost surely, 2^1493263568 is an apocalyptic number.

It is an amenable number.

1493263568 is a deficient number, since it is larger than the sum of its proper divisors (1454315632).

1493263568 is a wasteful number, since it uses less digits than its factorization.

1493263568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2933 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 1493263568 is about 38642.7686378707. The cubic root of 1493263568 is about 1142.9980509475.

The spelling of 1493263568 in words is "one billion, four hundred ninety-three million, two hundred sixty-three thousand, five hundred sixty-eight".