419328989 has 4 divisors (see below), whose sum is σ = 426436320. Its totient is φ = 412221660.

The previous prime is 419328983. The next prime is 419328997. The reversal of 419328989 is 989823914.

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, and also an emirpimes, since its reverse is a distinct semiprime: 989823914 = 2 ⋅494911957.

It is a cyclic number.

It is not a de Polignac number, because 419328989 - 2²⁰ = 418280413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 419328989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419328983) 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, 3553577 + ... + 3553694.

It is an arithmetic number, because the mean of its divisors is an integer number (106609080).

Almost surely, 2^419328989 is an apocalyptic number.

It is an amenable number.

419328989 is a deficient number, since it is larger than the sum of its proper divisors (7107331).

419328989 is an equidigital number, since it uses as much as digits as its factorization.

419328989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107330.

The product of its digits is 1119744, while the sum is 53.

The square root of 419328989 is about 20477.5239958350. The cubic root of 419328989 is about 748.4882074326.

The spelling of 419328989 in words is "four hundred nineteen million, three hundred twenty-eight thousand, nine hundred eighty-nine".