419972842505 has 32 divisors (see below), whose sum is σ = 522287910144. Its totient is φ = 323941959936.

The previous prime is 419972842493. The next prime is 419972842511. The reversal of 419972842505 is 505248279914.

It is a cyclic number.

It is not a de Polignac number, because 419972842505 - 2⁸ = 419972842249 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9804164 + ... + 9846906.

It is an arithmetic number, because the mean of its divisors is an integer number (16321497192).

Almost surely, 2^419972842505 is an apocalyptic number.

It is an amenable number.

419972842505 is a deficient number, since it is larger than the sum of its proper divisors (102315067639).

419972842505 is a wasteful number, since it uses less digits than its factorization.

419972842505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43265.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 419972842505 in words is "four hundred nineteen billion, nine hundred seventy-two million, eight hundred forty-two thousand, five hundred five".