2256650652643 has 2 divisors, whose sum is σ = 2256650652644. Its totient is φ = 2256650652642.

The previous prime is 2256650652539. The next prime is 2256650652689. The reversal of 2256650652643 is 3462560566522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256650652643 - 2²⁹ = 2256113781731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256650652343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128325326321 + 1128325326322.

It is an arithmetic number, because the mean of its divisors is an integer number (1128325326322).

Almost surely, 2^{2256650652643} is an apocalyptic number.

2256650652643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256650652643 is an equidigital number, since it uses as much as digits as its factorization.

2256650652643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 2256650652643 in words is "two trillion, two hundred fifty-six billion, six hundred fifty million, six hundred fifty-two thousand, six hundred forty-three".