1493391466 has 16 divisors (see below), whose sum is σ = 2562842880. Its totient is φ = 639339120.

The previous prime is 1493391457. The next prime is 1493391467. The reversal of 1493391466 is 6641933941.

It is not an unprimeable number, because it can be changed into a prime (1493391467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43506 + ... + 69853.

It is an arithmetic number, because the mean of its divisors is an integer number (160177680).

Almost surely, 2^1493391466 is an apocalyptic number.

1493391466 is a deficient number, since it is larger than the sum of its proper divisors (1069451414).

1493391466 is a wasteful number, since it uses less digits than its factorization.

1493391466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114309.

The product of its digits is 419904, while the sum is 46.

The square root of 1493391466 is about 38644.4234786858. The cubic root of 1493391466 is about 1143.0306826040.

The spelling of 1493391466 in words is "one billion, four hundred ninety-three million, three hundred ninety-one thousand, four hundred sixty-six".