1327637270647 has 2 divisors, whose sum is σ = 1327637270648. Its totient is φ = 1327637270646.

The previous prime is 1327637270611. The next prime is 1327637270653. The reversal of 1327637270647 is 7460727367231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1327637270647 - 2¹⁵ = 1327637237879 is a prime.

It is a super-2 number, since 2×1327637270647² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327637270147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663818635323 + 663818635324.

It is an arithmetic number, because the mean of its divisors is an integer number (663818635324).

Almost surely, 2^{1327637270647} is an apocalyptic number.

1327637270647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327637270647 is an equidigital number, since it uses as much as digits as its factorization.

1327637270647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12446784, while the sum is 55.

The spelling of 1327637270647 in words is "one trillion, three hundred twenty-seven billion, six hundred thirty-seven million, two hundred seventy thousand, six hundred forty-seven".