2656533443 has 2 divisors, whose sum is σ = 2656533444. Its totient is φ = 2656533442.

The previous prime is 2656533427. The next prime is 2656533479. The reversal of 2656533443 is 3443356562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656533443 - 2⁴ = 2656533427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656533443.

It is not a weakly prime, because it can be changed into another prime (2656533403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328266721 + 1328266722.

It is an arithmetic number, because the mean of its divisors is an integer number (1328266722).

Almost surely, 2^2656533443 is an apocalyptic number.

2656533443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656533443 is an equidigital number, since it uses as much as digits as its factorization.

2656533443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 41.

The square root of 2656533443 is about 51541.5700478749. The cubic root of 2656533443 is about 1384.9638229026.

The spelling of 2656533443 in words is "two billion, six hundred fifty-six million, five hundred thirty-three thousand, four hundred forty-three".