1493811268 has 12 divisors (see below), whose sum is σ = 2727829440. Its totient is φ = 714431432.

The previous prime is 1493811259. The next prime is 1493811287. The reversal of 1493811268 is 8621183941.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8118448 + ... + 8118631.

It is an arithmetic number, because the mean of its divisors is an integer number (227319120).

Almost surely, 2^1493811268 is an apocalyptic number.

It is an amenable number.

1493811268 is a deficient number, since it is larger than the sum of its proper divisors (1234018172).

1493811268 is a wasteful number, since it uses less digits than its factorization.

1493811268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237106 (or 16237104 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 1493811268 is about 38649.8546957165. The cubic root of 1493811268 is about 1143.1377770089.

The spelling of 1493811268 in words is "one billion, four hundred ninety-three million, eight hundred eleven thousand, two hundred sixty-eight".