1328590031663 has 2 divisors, whose sum is σ = 1328590031664. Its totient is φ = 1328590031662.

The previous prime is 1328590031581. The next prime is 1328590031669. The reversal of 1328590031663 is 3661300958231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328590031663 - 2⁸ = 1328590031407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328590031669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664295015831 + 664295015832.

It is an arithmetic number, because the mean of its divisors is an integer number (664295015832).

Almost surely, 2^{1328590031663} is an apocalyptic number.

1328590031663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328590031663 is an equidigital number, since it uses as much as digits as its factorization.

1328590031663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

Adding to 1328590031663 its reverse (3661300958231), we get a palindrome (4989890989894).

The spelling of 1328590031663 in words is "one trillion, three hundred twenty-eight billion, five hundred ninety million, thirty-one thousand, six hundred sixty-three".