2750355321 has 8 divisors (see below), whose sum is σ = 4191017664. Its totient is φ = 1571631600.

The previous prime is 2750355301. The next prime is 2750355343. The reversal of 2750355321 is 1235530572.

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

It is not a de Polignac number, because 2750355321 - 2⁷ = 2750355193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2750355301) 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, 65484630 + ... + 65484671.

It is an arithmetic number, because the mean of its divisors is an integer number (523877208).

Almost surely, 2^2750355321 is an apocalyptic number.

2750355321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2750355321 is a deficient number, since it is larger than the sum of its proper divisors (1440662343).

2750355321 is a wasteful number, since it uses less digits than its factorization.

2750355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130969311.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 2750355321 is about 52443.8301518873. The cubic root of 2750355321 is about 1401.0800035422.

Adding to 2750355321 its reverse (1235530572), we get a palindrome (3985885893).

The spelling of 2750355321 in words is "two billion, seven hundred fifty million, three hundred fifty-five thousand, three hundred twenty-one".