2013666503363 has 2 divisors, whose sum is σ = 2013666503364. Its totient is φ = 2013666503362.

The previous prime is 2013666503257. The next prime is 2013666503399. The reversal of 2013666503363 is 3633056663102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013666503363 - 2¹² = 2013666499267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013666503063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006833251681 + 1006833251682.

It is an arithmetic number, because the mean of its divisors is an integer number (1006833251682).

Almost surely, 2^{2013666503363} is an apocalyptic number.

2013666503363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013666503363 is an equidigital number, since it uses as much as digits as its factorization.

2013666503363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 44.

The spelling of 2013666503363 in words is "two trillion, thirteen billion, six hundred sixty-six million, five hundred three thousand, three hundred sixty-three".