419833904221 has 4 divisors (see below), whose sum is σ = 444530016252. Its totient is φ = 395137792192.

The previous prime is 419833904201. The next prime is 419833904233. The reversal of 419833904221 is 122409338914.

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 336561259321 + 83272644900 = 580139^2 + 288570^2 .

It is a cyclic number.

It is not a de Polignac number, because 419833904221 - 2²⁵ = 419800349789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419833904201) 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, 12348055990 + ... + 12348056023.

It is an arithmetic number, because the mean of its divisors is an integer number (111132504063).

Almost surely, 2^419833904221 is an apocalyptic number.

It is an amenable number.

419833904221 is a deficient number, since it is larger than the sum of its proper divisors (24696112031).

419833904221 is a wasteful number, since it uses less digits than its factorization.

419833904221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24696112030.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 419833904221 in words is "four hundred nineteen billion, eight hundred thirty-three million, nine hundred four thousand, two hundred twenty-one".