419358409 has 4 divisors (see below), whose sum is σ = 419407360. Its totient is φ = 419309460.

The previous prime is 419358389. The next prime is 419358437. The reversal of 419358409 is 904853914.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419358409 is a prime.

It is a super-2 number, since 2×419358409² = 351722950398022562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419358439) 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, 7869 + ... + 30010.

It is an arithmetic number, because the mean of its divisors is an integer number (104851840).

Almost surely, 2^419358409 is an apocalyptic number.

It is an amenable number.

419358409 is a deficient number, since it is larger than the sum of its proper divisors (48951).

419358409 is a wasteful number, since it uses less digits than its factorization.

419358409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48950.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 419358409 is about 20478.2423318018. The cubic root of 419358409 is about 748.5057115949.

The spelling of 419358409 in words is "four hundred nineteen million, three hundred fifty-eight thousand, four hundred nine".