1493500018 has 16 divisors (see below), whose sum is σ = 2247943104. Its totient is φ = 744191280.

The previous prime is 1493500007. The next prime is 1493500049. The reversal of 1493500018 is 8100053941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257621 + ... + 1258807.

It is an arithmetic number, because the mean of its divisors is an integer number (140496444).

Almost surely, 2^1493500018 is an apocalyptic number.

1493500018 is a deficient number, since it is larger than the sum of its proper divisors (754443086).

1493500018 is a wasteful number, since it uses less digits than its factorization.

1493500018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1493500018 is about 38645.8279507633. The cubic root of 1493500018 is about 1143.0583768965.

Adding to 1493500018 its reverse (8100053941), we get a palindrome (9593553959).

The spelling of 1493500018 in words is "one billion, four hundred ninety-three million, five hundred thousand, eighteen".