21174163327627 has 2 divisors, whose sum is σ = 21174163327628. Its totient is φ = 21174163327626.

The previous prime is 21174163327601. The next prime is 21174163327693. The reversal of 21174163327627 is 72672336147112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21174163327627 is a prime.

It is a super-2 number, since 2×21174163327627² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21174163327127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10587081663813 + 10587081663814.

It is an arithmetic number, because the mean of its divisors is an integer number (10587081663814).

Almost surely, 2^{21174163327627} is an apocalyptic number.

21174163327627 is a deficient number, since it is larger than the sum of its proper divisors (1).

21174163327627 is an equidigital number, since it uses as much as digits as its factorization.

21174163327627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 52.

The spelling of 21174163327627 in words is "twenty-one trillion, one hundred seventy-four billion, one hundred sixty-three million, three hundred twenty-seven thousand, six hundred twenty-seven".