2756220513 has 8 divisors (see below), whose sum is σ = 3675205248. Its totient is φ = 1837358064.

The previous prime is 2756220491. The next prime is 2756220529. The reversal of 2756220513 is 3150226572.

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

It is not a de Polignac number, because 2756220513 - 2¹⁶ = 2756154977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2756220553) 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, 62520 + ... + 97062.

It is an arithmetic number, because the mean of its divisors is an integer number (459400656).

Almost surely, 2^2756220513 is an apocalyptic number.

It is an amenable number.

2756220513 is a deficient number, since it is larger than the sum of its proper divisors (918984735).

2756220513 is a wasteful number, since it uses less digits than its factorization.

2756220513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61143.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2756220513 is about 52499.7191706775. The cubic root of 2756220513 is about 1402.0752408570.

The spelling of 2756220513 in words is "two billion, seven hundred fifty-six million, two hundred twenty thousand, five hundred thirteen".