1493453785 has 8 divisors (see below), whose sum is σ = 1818893376. Its totient is φ = 1176930480.

The previous prime is 1493453719. The next prime is 1493453821. The reversal of 1493453785 is 5873543941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1493453785 - 2¹⁷ = 1493322713 is a prime.

It is a Duffinian number.

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, 2228701 + ... + 2229370.

It is an arithmetic number, because the mean of its divisors is an integer number (227361672).

Almost surely, 2^1493453785 is an apocalyptic number.

It is an amenable number.

1493453785 is a deficient number, since it is larger than the sum of its proper divisors (325439591).

1493453785 is an equidigital number, since it uses as much as digits as its factorization.

1493453785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458143.

The product of its digits is 1814400, while the sum is 49.

The square root of 1493453785 is about 38645.2297832475. The cubic root of 1493453785 is about 1143.0465818820.

The spelling of 1493453785 in words is "one billion, four hundred ninety-three million, four hundred fifty-three thousand, seven hundred eighty-five".