2152563226613 has 2 divisors, whose sum is σ = 2152563226614. Its totient is φ = 2152563226612.

The previous prime is 2152563226601. The next prime is 2152563226673. The reversal of 2152563226613 is 3166223652512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1312908055684 + 839655170929 = 1145822^2 + 916327^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152563226613 - 2⁶ = 2152563226549 is a prime.

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 (2152563226673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076281613306 + 1076281613307.

It is an arithmetic number, because the mean of its divisors is an integer number (1076281613307).

Almost surely, 2^{2152563226613} is an apocalyptic number.

It is an amenable number.

2152563226613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152563226613 is an equidigital number, since it uses as much as digits as its factorization.

2152563226613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 44.

The spelling of 2152563226613 in words is "two trillion, one hundred fifty-two billion, five hundred sixty-three million, two hundred twenty-six thousand, six hundred thirteen".