2826580729 has 24 divisors (see below), whose sum is σ = 3457312200. Its totient is φ = 2300820480.

The previous prime is 2826580723. The next prime is 2826580753. The reversal of 2826580729 is 9270856282.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96727225 + 2729853504 = 9835^2 + 52248^2 .

It is not a de Polignac number, because 2826580729 - 2¹⁷ = 2826449657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2826580723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70377 + ... + 102985.

It is an arithmetic number, because the mean of its divisors is an integer number (144054675).

Almost surely, 2^2826580729 is an apocalyptic number.

2826580729 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2826580729 is a deficient number, since it is larger than the sum of its proper divisors (630731471).

2826580729 is a wasteful number, since it uses less digits than its factorization.

2826580729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32713 (or 32706 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 2826580729 is about 53165.5972316685. The cubic root of 2826580729 is about 1413.9057627619.

The spelling of 2826580729 in words is "two billion, eight hundred twenty-six million, five hundred eighty thousand, seven hundred twenty-nine".