2852128729 has 2 divisors, whose sum is σ = 2852128730. Its totient is φ = 2852128728.

The previous prime is 2852128711. The next prime is 2852128739. The reversal of 2852128729 is 9278212582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2838438729 + 13690000 = 53277^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2852128729 - 2⁹ = 2852128217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2852128739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426064364 + 1426064365.

It is an arithmetic number, because the mean of its divisors is an integer number (1426064365).

Almost surely, 2^2852128729 is an apocalyptic number.

It is an amenable number.

2852128729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852128729 is an equidigital number, since it uses as much as digits as its factorization.

2852128729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 2852128729 is about 53405.3249124092. The cubic root of 2852128729 is about 1418.1528467050.

The spelling of 2852128729 in words is "two billion, eight hundred fifty-two million, one hundred twenty-eight thousand, seven hundred twenty-nine".