2018779411 has 4 divisors (see below), whose sum is σ = 2202304824. Its totient is φ = 1835254000.

The previous prime is 2018779403. The next prime is 2018779447. The reversal of 2018779411 is 1149778102.

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 2018779411 - 2³ = 2018779403 is a prime.

It is a super-4 number, since 4×2018779411⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018779471) 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, 91762690 + ... + 91762711.

It is an arithmetic number, because the mean of its divisors is an integer number (550576206).

Almost surely, 2^2018779411 is an apocalyptic number.

2018779411 is a deficient number, since it is larger than the sum of its proper divisors (183525413).

2018779411 is a wasteful number, since it uses less digits than its factorization.

2018779411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183525412.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 2018779411 is about 44930.8291821996. The cubic root of 2018779411 is about 1263.8522005371.

The spelling of 2018779411 in words is "two billion, eighteen million, seven hundred seventy-nine thousand, four hundred eleven".