2042467891 has 8 divisors (see below), whose sum is σ = 2113127424. Its totient is φ = 1972106760.

The previous prime is 2042467877. The next prime is 2042467897. The reversal of 2042467891 is 1987642402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042467891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042467897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60631 + ... + 88096.

It is an arithmetic number, because the mean of its divisors is an integer number (264140928).

Almost surely, 2^2042467891 is an apocalyptic number.

2042467891 is a deficient number, since it is larger than the sum of its proper divisors (70659533).

2042467891 is a wasteful number, since it uses less digits than its factorization.

2042467891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149201.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2042467891 is about 45193.6709175079. The cubic root of 2042467891 is about 1268.7763631074.

The spelling of 2042467891 in words is "two billion, forty-two million, four hundred sixty-seven thousand, eight hundred ninety-one".