419640675563 has 4 divisors (see below), whose sum is σ = 420213173808. Its totient is φ = 419068177320.

The previous prime is 419640675539. The next prime is 419640675581. The reversal of 419640675563 is 365576046914.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 419640675563 - 2¹² = 419640671467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 419640675499 and 419640675508.

It is not an unprimeable number, because it can be changed into a prime (419640675583) 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, 286248023 + ... + 286249488.

It is an arithmetic number, because the mean of its divisors is an integer number (105053293452).

Almost surely, 2^419640675563 is an apocalyptic number.

419640675563 is a deficient number, since it is larger than the sum of its proper divisors (572498245).

419640675563 is an equidigital number, since it uses as much as digits as its factorization.

419640675563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572498244.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 419640675563 in words is "four hundred nineteen billion, six hundred forty million, six hundred seventy-five thousand, five hundred sixty-three".