2705989918 has 8 divisors (see below), whose sum is σ = 4272615720. Its totient is φ = 1281784680.

The previous prime is 2705989883. The next prime is 2705989919. The reversal of 2705989918 is 8199895072.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705989919) 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, 35605093 + ... + 35605168.

It is an arithmetic number, because the mean of its divisors is an integer number (534076965).

Almost surely, 2^2705989918 is an apocalyptic number.

2705989918 is a deficient number, since it is larger than the sum of its proper divisors (1566625802).

2705989918 is a wasteful number, since it uses less digits than its factorization.

2705989918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71210282.

The product of its (nonzero) digits is 3265920, while the sum is 58.

The square root of 2705989918 is about 52019.1303079934. The cubic root of 2705989918 is about 1393.5056205206.

The spelling of 2705989918 in words is "two billion, seven hundred five million, nine hundred eighty-nine thousand, nine hundred eighteen".