2684041729 has 4 divisors (see below), whose sum is σ = 2688523200. Its totient is φ = 2679560260.

The previous prime is 2684041691. The next prime is 2684041769. The reversal of 2684041729 is 9271404862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2684041729 - 2¹⁷ = 2683910657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2684041769) 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, 2239837 + ... + 2241034.

It is an arithmetic number, because the mean of its divisors is an integer number (672130800).

Almost surely, 2^2684041729 is an apocalyptic number.

It is an amenable number.

2684041729 is a deficient number, since it is larger than the sum of its proper divisors (4481471).

2684041729 is an equidigital number, since it uses as much as digits as its factorization.

2684041729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481470.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2684041729 is about 51807.7381189335. The cubic root of 2684041729 is about 1389.7278298433.

The spelling of 2684041729 in words is "two billion, six hundred eighty-four million, forty-one thousand, seven hundred twenty-nine".