2678911412 has 12 divisors (see below), whose sum is σ = 4688516196. Its totient is φ = 1339335360.

The previous prime is 2678911397. The next prime is 2678911439. The reversal of 2678911412 is 2141198762.

It can be written as a sum of positive squares in 2 ways, for example, as 2640520996 + 38390416 = 51386^2 + 6196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2678911412.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36248 + ... + 81680.

It is an arithmetic number, because the mean of its divisors is an integer number (390709683).

Almost surely, 2^2678911412 is an apocalyptic number.

It is an amenable number.

2678911412 is a deficient number, since it is larger than the sum of its proper divisors (2009604784).

2678911412 is a wasteful number, since it uses less digits than its factorization.

2678911412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60178 (or 60176 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 2678911412 is about 51758.2013984257. The cubic root of 2678911412 is about 1388.8418163241.

The spelling of 2678911412 in words is "two billion, six hundred seventy-eight million, nine hundred eleven thousand, four hundred twelve".