419919085 has 4 divisors (see below), whose sum is σ = 503902908. Its totient is φ = 335935264.

The previous prime is 419919067. The next prime is 419919127. The reversal of 419919085 is 580919914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580919914 = 2 ⋅290459957.

It can be written as a sum of positive squares in 2 ways, for example, as 198415396 + 221503689 = 14086^2 + 14883^2 .

It is a cyclic number.

It is not a de Polignac number, because 419919085 - 2⁹ = 419918573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41991904 + ... + 41991913.

It is an arithmetic number, because the mean of its divisors is an integer number (125975727).

Almost surely, 2^419919085 is an apocalyptic number.

It is an amenable number.

419919085 is a deficient number, since it is larger than the sum of its proper divisors (83983823).

419919085 is an equidigital number, since it uses as much as digits as its factorization.

419919085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83983822.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 419919085 is about 20491.9273129689. The cubic root of 419919085 is about 748.8391434022.

It can be divided in two parts, 41991 and 9085, that added together give a square (51076 = 226²).

The spelling of 419919085 in words is "four hundred nineteen million, nine hundred nineteen thousand, eighty-five".