2756160421 has 4 divisors (see below), whose sum is σ = 3149897632. Its totient is φ = 2362423212.

The previous prime is 2756160419. The next prime is 2756160439. The reversal of 2756160421 is 1240616572.

2756160421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2756160421 - 2¹ = 2756160419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756160481) 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, 196868595 + ... + 196868608.

It is an arithmetic number, because the mean of its divisors is an integer number (787474408).

Almost surely, 2^2756160421 is an apocalyptic number.

It is an amenable number.

2756160421 is a deficient number, since it is larger than the sum of its proper divisors (393737211).

2756160421 is an equidigital number, since it uses as much as digits as its factorization.

2756160421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393737210.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2756160421 is about 52499.1468597348. The cubic root of 2756160421 is about 1402.0650512856.

Adding to 2756160421 its reverse (1240616572), we get a palindrome (3996776993).

The spelling of 2756160421 in words is "two billion, seven hundred fifty-six million, one hundred sixty thousand, four hundred twenty-one".