1716948641 has 4 divisors (see below), whose sum is σ = 1718346900. Its totient is φ = 1715550384.

The previous prime is 1716948637. The next prime is 1716948647. The reversal of 1716948641 is 1468496171.

It is a happy number.

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 1576407616 + 140541025 = 39704^2 + 11855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716948641 - 2² = 1716948637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1716948647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697286 + ... + 699743.

It is an arithmetic number, because the mean of its divisors is an integer number (429586725).

Almost surely, 2^1716948641 is an apocalyptic number.

It is an amenable number.

1716948641 is a deficient number, since it is larger than the sum of its proper divisors (1398259).

1716948641 is a wasteful number, since it uses less digits than its factorization.

1716948641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398258.

The product of its digits is 290304, while the sum is 47.

The square root of 1716948641 is about 41436.0789771426. The cubic root of 1716948641 is about 1197.4363419946.

The spelling of 1716948641 in words is "one billion, seven hundred sixteen million, nine hundred forty-eight thousand, six hundred forty-one".