2729550025 has 12 divisors (see below), whose sum is σ = 3387087900. Its totient is φ = 2182062080.

The previous prime is 2729550023. The next prime is 2729550029. The reversal of 2729550025 is 5200559272.

It can be written as a sum of positive squares in 6 ways, for example, as 1438153929 + 1291396096 = 37923^2 + 35936^2 .

It is not a de Polignac number, because 2729550025 - 2¹ = 2729550023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2729550023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3520 + ... + 73969.

It is an arithmetic number, because the mean of its divisors is an integer number (282257325).

Almost surely, 2^2729550025 is an apocalyptic number.

2729550025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2729550025 is a deficient number, since it is larger than the sum of its proper divisors (657537875).

2729550025 is a wasteful number, since it uses less digits than its factorization.

2729550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78908 (or 78903 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 2729550025 is about 52245.0957028504. The cubic root of 2729550025 is about 1397.5381948784.

The spelling of 2729550025 in words is "two billion, seven hundred twenty-nine million, five hundred fifty thousand, twenty-five".