2656196069 has 2 divisors, whose sum is σ = 2656196070. Its totient is φ = 2656196068.

The previous prime is 2656196051. The next prime is 2656196087. The reversal of 2656196069 is 9606916562.

It is a balanced prime because it is at equal distance from previous prime (2656196051) and next prime (2656196087).

It can be written as a sum of positive squares in only one way, i.e., 2656165444 + 30625 = 51538^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656196069 - 2⁸ = 2656195813 is a prime.

It is a super-2 number, since 2×2656196069² = 14110755113942105522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656196099) 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, 1328098034 + 1328098035.

It is an arithmetic number, because the mean of its divisors is an integer number (1328098035).

Almost surely, 2^2656196069 is an apocalyptic number.

It is an amenable number.

2656196069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656196069 is an equidigital number, since it uses as much as digits as its factorization.

2656196069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 2656196069 is about 51538.2971100132. The cubic root of 2656196069 is about 1384.9051912841.

The spelling of 2656196069 in words is "two billion, six hundred fifty-six million, one hundred ninety-six thousand, sixty-nine".