2748580729 has 2 divisors, whose sum is σ = 2748580730. Its totient is φ = 2748580728.

The previous prime is 2748580697. The next prime is 2748580741. The reversal of 2748580729 is 9270858472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914237504 + 834343225 = 43752^2 + 28885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748580729 - 2⁵ = 2748580697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2748580129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374290364 + 1374290365.

It is an arithmetic number, because the mean of its divisors is an integer number (1374290365).

Almost surely, 2^2748580729 is an apocalyptic number.

It is an amenable number.

2748580729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748580729 is an equidigital number, since it uses as much as digits as its factorization.

2748580729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 2748580729 is about 52426.9084440424. The cubic root of 2748580729 is about 1400.7786024484.

The spelling of 2748580729 in words is "two billion, seven hundred forty-eight million, five hundred eighty thousand, seven hundred twenty-nine".