2678413194 has 24 divisors (see below), whose sum is σ = 5912725572. Its totient is φ = 875958720.

The previous prime is 2678413183. The next prime is 2678413217. The reversal of 2678413194 is 4913148762.

It can be written as a sum of positive squares in 2 ways, for example, as 2105433225 + 572979969 = 45885^2 + 23937^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402827 + ... + 1404734.

Almost surely, 2^2678413194 is an apocalyptic number.

2678413194 is an abundant number, since it is smaller than the sum of its proper divisors (3234312378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678413194 is a wasteful number, since it uses less digits than its factorization.

2678413194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807622 (or 2807619 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2678413194 is about 51753.3882369068. The cubic root of 2678413194 is about 1388.7557130798.

The spelling of 2678413194 in words is "two billion, six hundred seventy-eight million, four hundred thirteen thousand, one hundred ninety-four".