1722368489 has 8 divisors (see below), whose sum is σ = 1751429568. Its totient is φ = 1693334160.

The previous prime is 1722368443. The next prime is 1722368503. The reversal of 1722368489 is 9848632271.

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 1722368489 - 2²⁰ = 1721319913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1722368429) 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, 156134 + ... + 166800.

It is an arithmetic number, because the mean of its divisors is an integer number (218928696).

Almost surely, 2^1722368489 is an apocalyptic number.

It is an amenable number.

1722368489 is a deficient number, since it is larger than the sum of its proper divisors (29061079).

1722368489 is a wasteful number, since it uses less digits than its factorization.

1722368489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375.

The product of its digits is 1161216, while the sum is 50.

The square root of 1722368489 is about 41501.4275537601. The cubic root of 1722368489 is about 1198.6949907977.

The spelling of 1722368489 in words is "one billion, seven hundred twenty-two million, three hundred sixty-eight thousand, four hundred eighty-nine".