1918805714 has 8 divisors (see below), whose sum is σ = 3289381248. Its totient is φ = 822345300.

The previous prime is 1918805701. The next prime is 1918805717. The reversal of 1918805714 is 4175088191.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1918805717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68528762 + ... + 68528789.

It is an arithmetic number, because the mean of its divisors is an integer number (411172656).

Almost surely, 2^1918805714 is an apocalyptic number.

1918805714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1918805714 is a deficient number, since it is larger than the sum of its proper divisors (1370575534).

1918805714 is a wasteful number, since it uses less digits than its factorization.

1918805714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137057560.

The product of its (nonzero) digits is 80640, while the sum is 44.

The square root of 1918805714 is about 43804.1746184082. The cubic root of 1918805714 is about 1242.6352458555.

The spelling of 1918805714 in words is "one billion, nine hundred eighteen million, eight hundred five thousand, seven hundred fourteen".