2656946113 has 2 divisors, whose sum is σ = 2656946114. Its totient is φ = 2656946112.

The previous prime is 2656946107. The next prime is 2656946137. The reversal of 2656946113 is 3116496562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2218127409 + 438818704 = 47097^2 + 20948^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656946113 - 2⁹ = 2656945601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656946113.

It is not a weakly prime, because it can be changed into another prime (2656946153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328473056 + 1328473057.

It is an arithmetic number, because the mean of its divisors is an integer number (1328473057).

Almost surely, 2^2656946113 is an apocalyptic number.

It is an amenable number.

2656946113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656946113 is an equidigital number, since it uses as much as digits as its factorization.

2656946113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 2656946113 is about 51545.5731658888. The cubic root of 2656946113 is about 1385.0355333279.

The spelling of 2656946113 in words is "two billion, six hundred fifty-six million, nine hundred forty-six thousand, one hundred thirteen".