419859920842 has 8 divisors (see below), whose sum is σ = 640114305732. Its totient is φ = 206488485600.

The previous prime is 419859920839. The next prime is 419859920881. The reversal of 419859920842 is 248029958914.

It can be written as a sum of positive squares in 2 ways, for example, as 361382524801 + 58477396041 = 601151^2 + 241821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 1720737259 + ... + 1720737502.

Almost surely, 2^419859920842 is an apocalyptic number.

419859920842 is a deficient number, since it is larger than the sum of its proper divisors (220254384890).

419859920842 is a wasteful number, since it uses less digits than its factorization.

419859920842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474824.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 419859920842 in words is "four hundred nineteen billion, eight hundred fifty-nine million, nine hundred twenty thousand, eight hundred forty-two".