27354732134399 has 16 divisors (see below), whose sum is σ = 27733268680320. Its totient is φ = 26977010411520.

The previous prime is 27354732134393. The next prime is 27354732134419. The reversal of 27354732134399 is 99343123745372.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27354732134399 - 2⁴ = 27354732134383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27354732134393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657655547 + ... + 657697139.

It is an arithmetic number, because the mean of its divisors is an integer number (1733329292520).

Almost surely, 2^{27354732134399} is an apocalyptic number.

27354732134399 is a deficient number, since it is larger than the sum of its proper divisors (378536545921).

27354732134399 is an equidigital number, since it uses as much as digits as its factorization.

27354732134399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51170.

The product of its digits is 102876480, while the sum is 62.

The spelling of 27354732134399 in words is "twenty-seven trillion, three hundred fifty-four billion, seven hundred thirty-two million, one hundred thirty-four thousand, three hundred ninety-nine".