419542843 has 4 divisors (see below), whose sum is σ = 420866640. Its totient is φ = 418219048.

The previous prime is 419542841. The next prime is 419542867. The reversal of 419542843 is 348245914.

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 419542843 - 2¹ = 419542841 is a prime.

It is a super-2 number, since 2×419542843² = 352032394225045298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 a junction number, because it is equal to n+sod(n) for n = 419542796 and 419542805.

It is not an unprimeable number, because it can be changed into a prime (419542841) 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, 661423 + ... + 662056.

It is an arithmetic number, because the mean of its divisors is an integer number (105216660).

Almost surely, 2^419542843 is an apocalyptic number.

419542843 is a deficient number, since it is larger than the sum of its proper divisors (1323797).

419542843 is a wasteful number, since it uses less digits than its factorization.

419542843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323796.

The product of its digits is 138240, while the sum is 40.

The square root of 419542843 is about 20482.7450064682. The cubic root of 419542843 is about 748.6154265518.

The spelling of 419542843 in words is "four hundred nineteen million, five hundred forty-two thousand, eight hundred forty-three".