2656604633 has 2 divisors, whose sum is σ = 2656604634. Its totient is φ = 2656604632.

The previous prime is 2656604617. The next prime is 2656604647. The reversal of 2656604633 is 3364066562.

2656604633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2282259529 + 374345104 = 47773^2 + 19348^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656604633 - 2⁴ = 2656604617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656604683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328302316 + 1328302317.

It is an arithmetic number, because the mean of its divisors is an integer number (1328302317).

Almost surely, 2^2656604633 is an apocalyptic number.

It is an amenable number.

2656604633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656604633 is an equidigital number, since it uses as much as digits as its factorization.

2656604633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 41.

The square root of 2656604633 is about 51542.2606508484. The cubic root of 2656604633 is about 1384.9761942499.

The spelling of 2656604633 in words is "two billion, six hundred fifty-six million, six hundred four thousand, six hundred thirty-three".