419172289 has 8 divisors (see below), whose sum is σ = 426240360. Its totient is φ = 412156800.

The previous prime is 419172287. The next prime is 419172307. The reversal of 419172289 is 982271914.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19492225 + 399680064 = 4415^2 + 19992^2 .

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 419172289 - 2¹ = 419172287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419172287) 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, 3099 + ... + 29119.

It is an arithmetic number, because the mean of its divisors is an integer number (53280045).

Almost surely, 2^419172289 is an apocalyptic number.

It is an amenable number.

419172289 is a deficient number, since it is larger than the sum of its proper divisors (7068071).

419172289 is a wasteful number, since it uses less digits than its factorization.

419172289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26291.

The product of its digits is 72576, while the sum is 43.

The square root of 419172289 is about 20473.6974921483. The cubic root of 419172289 is about 748.3949610651.

The spelling of 419172289 in words is "four hundred nineteen million, one hundred seventy-two thousand, two hundred eighty-nine".