2679042193 has 4 divisors (see below), whose sum is σ = 2683222308. Its totient is φ = 2674862080.

The previous prime is 2679042109. The next prime is 2679042217. The reversal of 2679042193 is 3912409762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1091179089 + 1587863104 = 33033^2 + 39848^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679042193 - 2⁹ = 2679041681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2679042293) 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, 2089096 + ... + 2090377.

It is an arithmetic number, because the mean of its divisors is an integer number (670805577).

Almost surely, 2^2679042193 is an apocalyptic number.

It is an amenable number.

2679042193 is a deficient number, since it is larger than the sum of its proper divisors (4180115).

2679042193 is an equidigital number, since it uses as much as digits as its factorization.

2679042193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180114.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2679042193 is about 51759.4647673254. The cubic root of 2679042193 is about 1388.8644164451.

The spelling of 2679042193 in words is "two billion, six hundred seventy-nine million, forty-two thousand, one hundred ninety-three".