1492593668 has 12 divisors (see below), whose sum is σ = 2612381772. Its totient is φ = 746198880.

The previous prime is 1492593667. The next prime is 1492593679. The reversal of 1492593668 is 8663952941.

It can be written as a sum of positive squares in 2 ways, for example, as 302481664 + 1190112004 = 17392^2 + 34498^2 .

It is not an unprimeable number, because it can be changed into a prime (1492593667) 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, 17978 + ... + 57518.

It is an arithmetic number, because the mean of its divisors is an integer number (217698481).

Almost surely, 2^1492593668 is an apocalyptic number.

It is an amenable number.

1492593668 is a deficient number, since it is larger than the sum of its proper divisors (1119788104).

1492593668 is a wasteful number, since it uses less digits than its factorization.

1492593668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48982 (or 48980 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 1492593668 is about 38634.0998083299. The cubic root of 1492593668 is about 1142.8271034694.

The spelling of 1492593668 in words is "one billion, four hundred ninety-two million, five hundred ninety-three thousand, six hundred sixty-eight".