2152563226673 has 2 divisors, whose sum is σ = 2152563226674. Its totient is φ = 2152563226672.

The previous prime is 2152563226613. The next prime is 2152563226679. The reversal of 2152563226673 is 3766223652512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2136181018624 + 16382208049 = 1461568^2 + 127993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152563226673 - 2¹⁴ = 2152563210289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2152563226679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076281613336 + 1076281613337.

It is an arithmetic number, because the mean of its divisors is an integer number (1076281613337).

Almost surely, 2^{2152563226673} is an apocalyptic number.

It is an amenable number.

2152563226673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152563226673 is an equidigital number, since it uses as much as digits as its factorization.

2152563226673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 50.

The spelling of 2152563226673 in words is "two trillion, one hundred fifty-two billion, five hundred sixty-three million, two hundred twenty-six thousand, six hundred seventy-three".