2656036471117 has 2 divisors, whose sum is σ = 2656036471118. Its totient is φ = 2656036471116.

The previous prime is 2656036471097. The next prime is 2656036471141. The reversal of 2656036471117 is 7111746306562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2616568291561 + 39468179556 = 1617581^2 + 198666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656036471117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656036571117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328018235558 + 1328018235559.

It is an arithmetic number, because the mean of its divisors is an integer number (1328018235559).

Almost surely, 2^{2656036471117} is an apocalyptic number.

It is an amenable number.

2656036471117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656036471117 is an equidigital number, since it uses as much as digits as its factorization.

2656036471117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 2656036471117 in words is "two trillion, six hundred fifty-six billion, thirty-six million, four hundred seventy-one thousand, one hundred seventeen".