1494436805 has 8 divisors (see below), whose sum is σ = 1811812632. Its totient is φ = 1183223808.

The previous prime is 1494436789. The next prime is 1494436807. The reversal of 1494436805 is 5086344941.

It can be written as a sum of positive squares in 4 ways, for example, as 435389956 + 1059046849 = 20866^2 + 32543^2 .

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 1494436805 - 2⁴ = 1494436789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494436807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540172 + ... + 1541141.

It is an arithmetic number, because the mean of its divisors is an integer number (226476579).

Almost surely, 2^1494436805 is an apocalyptic number.

It is an amenable number.

1494436805 is a deficient number, since it is larger than the sum of its proper divisors (317375827).

1494436805 is an equidigital number, since it uses as much as digits as its factorization.

1494436805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081415.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 1494436805 is about 38657.9462077333. The cubic root of 1494436805 is about 1143.2973186237.

The spelling of 1494436805 in words is "one billion, four hundred ninety-four million, four hundred thirty-six thousand, eight hundred five".