2750280005 has 8 divisors (see below), whose sum is σ = 3600366624. Its totient is φ = 2000203600.

The previous prime is 2750279969. The next prime is 2750280007. The reversal of 2750280005 is 5000820572.

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

It is not a de Polignac number, because 2750280005 - 2¹⁶ = 2750214469 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 2750280005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750280007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25002491 + ... + 25002600.

It is an arithmetic number, because the mean of its divisors is an integer number (450045828).

Almost surely, 2^2750280005 is an apocalyptic number.

It is an amenable number.

2750280005 is a deficient number, since it is larger than the sum of its proper divisors (850086619).

2750280005 is a wasteful number, since it uses less digits than its factorization.

2750280005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50005107.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2750280005 is about 52443.1120834757. The cubic root of 2750280005 is about 1401.0672143214.

The spelling of 2750280005 in words is "two billion, seven hundred fifty million, two hundred eighty thousand, five".