2141858919 has 8 divisors (see below), whose sum is σ = 2856082032. Its totient is φ = 1427770880.

The previous prime is 2141858903. The next prime is 2141858921. The reversal of 2141858919 is 9198581412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2141858919 - 2⁴ = 2141858903 is a prime.

It is a super-2 number, since 2×2141858919² = 9175119257799697122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141858519) 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, 12157 + ... + 66569.

It is an arithmetic number, because the mean of its divisors is an integer number (357010254).

Almost surely, 2^2141858919 is an apocalyptic number.

2141858919 is a deficient number, since it is larger than the sum of its proper divisors (714223113).

2141858919 is a wasteful number, since it uses less digits than its factorization.

2141858919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67537.

The product of its digits is 207360, while the sum is 48.

The square root of 2141858919 is about 46280.2216827016. The cubic root of 2141858919 is about 1289.0317672979.

The spelling of 2141858919 in words is "two billion, one hundred forty-one million, eight hundred fifty-eight thousand, nine hundred nineteen".