1493214865 has 4 divisors (see below), whose sum is σ = 1791857844. Its totient is φ = 1194571888.

The previous prime is 1493214859. The next prime is 1493214937. The reversal of 1493214865 is 5684123941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1043096209 + 450118656 = 32297^2 + 21216^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493214865 - 2³ = 1493214857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149321482 + ... + 149321491.

It is an arithmetic number, because the mean of its divisors is an integer number (447964461).

Almost surely, 2^1493214865 is an apocalyptic number.

It is an amenable number.

1493214865 is a deficient number, since it is larger than the sum of its proper divisors (298642979).

1493214865 is an equidigital number, since it uses as much as digits as its factorization.

1493214865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298642978.

The product of its digits is 207360, while the sum is 43.

The square root of 1493214865 is about 38642.1384630820. The cubic root of 1493214865 is about 1142.9856244653.

The spelling of 1493214865 in words is "one billion, four hundred ninety-three million, two hundred fourteen thousand, eight hundred sixty-five".