2656356271 has 2 divisors, whose sum is σ = 2656356272. Its totient is φ = 2656356270.

The previous prime is 2656356247. The next prime is 2656356337. The reversal of 2656356271 is 1726536562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656356271 - 2¹⁵ = 2656323503 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656356971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328178135 + 1328178136.

It is an arithmetic number, because the mean of its divisors is an integer number (1328178136).

Almost surely, 2^2656356271 is an apocalyptic number.

2656356271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656356271 is an equidigital number, since it uses as much as digits as its factorization.

2656356271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 2656356271 is about 51539.8512900455. The cubic root of 2656356271 is about 1384.9330331195.

It can be divided in two parts, 265 and 6356271, that added together give a palindrome (6356536).

The spelling of 2656356271 in words is "two billion, six hundred fifty-six million, three hundred fifty-six thousand, two hundred seventy-one".