2729770513 has 4 divisors (see below), whose sum is σ = 2730139108. Its totient is φ = 2729401920.

The previous prime is 2729770507. The next prime is 2729770517. The reversal of 2729770513 is 3150779272.

2729770513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1745819089 + 983951424 = 41783^2 + 31368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729770513 - 2²⁹ = 2192899601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2729770513.

It is not an unprimeable number, because it can be changed into a prime (2729770517) 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, 172956 + ... + 188077.

It is an arithmetic number, because the mean of its divisors is an integer number (682534777).

Almost surely, 2^2729770513 is an apocalyptic number.

It is an amenable number.

2729770513 is a deficient number, since it is larger than the sum of its proper divisors (368595).

2729770513 is an equidigital number, since it uses as much as digits as its factorization.

2729770513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368594.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 2729770513 is about 52247.2057913148. The cubic root of 2729770513 is about 1397.5758240483.

The spelling of 2729770513 in words is "two billion, seven hundred twenty-nine million, seven hundred seventy thousand, five hundred thirteen".