2750416121 has 4 divisors (see below), whose sum is σ = 2750593872. Its totient is φ = 2750238372.

The previous prime is 2750416103. The next prime is 2750416147. The reversal of 2750416121 is 1216140572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750416121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750416321) 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, 63191 + ... + 97436.

It is an arithmetic number, because the mean of its divisors is an integer number (687648468).

Almost surely, 2^2750416121 is an apocalyptic number.

It is an amenable number.

2750416121 is a deficient number, since it is larger than the sum of its proper divisors (177751).

2750416121 is a wasteful number, since it uses less digits than its factorization.

2750416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177750.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2750416121 is about 52444.4098164905. The cubic root of 2750416121 is about 1401.0903276672.

Adding to 2750416121 its reverse (1216140572), we get a palindrome (3966556693).

The spelling of 2750416121 in words is "two billion, seven hundred fifty million, four hundred sixteen thousand, one hundred twenty-one".