2735688545 has 16 divisors (see below), whose sum is σ = 3346848720. Its totient is φ = 2145921024.

The previous prime is 2735688541. The next prime is 2735688559. The reversal of 2735688545 is 5458865372.

It can be written as a sum of positive squares in 8 ways, for example, as 252460321 + 2483228224 = 15889^2 + 49832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2735688545 - 2² = 2735688541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2735688541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848777 + ... + 851993.

It is an arithmetic number, because the mean of its divisors is an integer number (209178045).

Almost surely, 2^2735688545 is an apocalyptic number.

It is an amenable number.

2735688545 is a deficient number, since it is larger than the sum of its proper divisors (611160175).

2735688545 is a wasteful number, since it uses less digits than its factorization.

2735688545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484.

The product of its digits is 8064000, while the sum is 53.

The square root of 2735688545 is about 52303.8100428640. The cubic root of 2735688545 is about 1398.5850576826.

The spelling of 2735688545 in words is "two billion, seven hundred thirty-five million, six hundred eighty-eight thousand, five hundred forty-five".