2750216505 has 8 divisors (see below), whose sum is σ = 4400346432. Its totient is φ = 1466782128.

The previous prime is 2750216477. The next prime is 2750216507. The reversal of 2750216505 is 5056120572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2750216505 - 2¹⁶ = 2750150969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2750216507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91673869 + ... + 91673898.

It is an arithmetic number, because the mean of its divisors is an integer number (550043304).

Almost surely, 2^2750216505 is an apocalyptic number.

It is an amenable number.

2750216505 is a deficient number, since it is larger than the sum of its proper divisors (1650129927).

2750216505 is a wasteful number, since it uses less digits than its factorization.

2750216505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183347775.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 2750216505 is about 52442.5066620580. The cubic root of 2750216505 is about 1401.0564313644.

The spelling of 2750216505 in words is "two billion, seven hundred fifty million, two hundred sixteen thousand, five hundred five".