1493499985 has 8 divisors (see below), whose sum is σ = 1826015400. Its totient is φ = 1172256384.

The previous prime is 1493499967. The next prime is 1493500003. The reversal of 1493499985 is 5899943941.

It is an interprime number because it is at equal distance from previous prime (1493499967) and next prime (1493500003).

It can be written as a sum of positive squares in 4 ways, for example, as 463282576 + 1030217409 = 21524^2 + 32097^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1493499985 - 2¹¹ = 1493497937 is a prime.

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, 2817660 + ... + 2818189.

It is an arithmetic number, because the mean of its divisors is an integer number (228251925).

Almost surely, 2^1493499985 is an apocalyptic number.

It is an amenable number.

1493499985 is a deficient number, since it is larger than the sum of its proper divisors (332515415).

1493499985 is an equidigital number, since it uses as much as digits as its factorization.

1493499985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635907.

The product of its digits is 12597120, while the sum is 61.

The square root of 1493499985 is about 38645.8275238091. The cubic root of 1493499985 is about 1143.0583684776.

The spelling of 1493499985 in words is "one billion, four hundred ninety-three million, four hundred ninety-nine thousand, nine hundred eighty-five".