1641282717 has 4 divisors (see below), whose sum is σ = 2188376960. Its totient is φ = 1094188476.

The previous prime is 1641282707. The next prime is 1641282763. The reversal of 1641282717 is 7172821461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1641282717 - 2¹² = 1641278621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641282707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273547117 + ... + 273547122.

It is an arithmetic number, because the mean of its divisors is an integer number (547094240).

Almost surely, 2^1641282717 is an apocalyptic number.

It is an amenable number.

1641282717 is a deficient number, since it is larger than the sum of its proper divisors (547094243).

1641282717 is an equidigital number, since it uses as much as digits as its factorization.

1641282717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547094242.

The product of its digits is 37632, while the sum is 39.

The square root of 1641282717 is about 40512.7475864079. The cubic root of 1641282717 is about 1179.5810820241.

The spelling of 1641282717 in words is "one billion, six hundred forty-one million, two hundred eighty-two thousand, seven hundred seventeen".