2663403231659 has 2 divisors, whose sum is σ = 2663403231660. Its totient is φ = 2663403231658.

The previous prime is 2663403231647. The next prime is 2663403231673. The reversal of 2663403231659 is 9561323043662.

2663403231659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663403231659 - 2³² = 2659108264363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2663403231679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331701615829 + 1331701615830.

It is an arithmetic number, because the mean of its divisors is an integer number (1331701615830).

Almost surely, 2^{2663403231659} is an apocalyptic number.

2663403231659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663403231659 is an equidigital number, since it uses as much as digits as its factorization.

2663403231659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 2663403231659 in words is "two trillion, six hundred sixty-three billion, four hundred three million, two hundred thirty-one thousand, six hundred fifty-nine".