2163663013 has 2 divisors, whose sum is σ = 2163663014. Its totient is φ = 2163663012.

The previous prime is 2163662999. The next prime is 2163663031. The reversal of 2163663013 is 3103663612.

Together with next prime (2163663031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2041051684 + 122611329 = 45178^2 + 11073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163663013 - 2²⁵ = 2130108581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163663053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081831506 + 1081831507.

It is an arithmetic number, because the mean of its divisors is an integer number (1081831507).

Almost surely, 2^2163663013 is an apocalyptic number.

It is an amenable number.

2163663013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163663013 is an equidigital number, since it uses as much as digits as its factorization.

2163663013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 2163663013 is about 46515.1912067445. The cubic root of 2163663013 is about 1293.3911163751.

The spelling of 2163663013 in words is "two billion, one hundred sixty-three million, six hundred sixty-three thousand, thirteen".