1327637268563 has 2 divisors, whose sum is σ = 1327637268564. Its totient is φ = 1327637268562.

The previous prime is 1327637268541. The next prime is 1327637268571. The reversal of 1327637268563 is 3658627367231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1327637268563 - 2¹² = 1327637264467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327637268593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663818634281 + 663818634282.

It is an arithmetic number, because the mean of its divisors is an integer number (663818634282).

Almost surely, 2^{1327637268563} is an apocalyptic number.

1327637268563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327637268563 is an equidigital number, since it uses as much as digits as its factorization.

1327637268563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 59.

The spelling of 1327637268563 in words is "one trillion, three hundred twenty-seven billion, six hundred thirty-seven million, two hundred sixty-eight thousand, five hundred sixty-three".