17134887942727 has 4 divisors (see below), whose sum is σ = 17139273635896. Its totient is φ = 17130502249560.

The previous prime is 17134887942707. The next prime is 17134887942751. The reversal of 17134887942727 is 72724978843171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17134887942727 is a prime.

It is a super-2 number, since 2×17134887942727² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17134887942707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192840724 + ... + 2192848537.

It is an arithmetic number, because the mean of its divisors is an integer number (4284818408974).

Almost surely, 2^{17134887942727} is an apocalyptic number.

17134887942727 is a deficient number, since it is larger than the sum of its proper divisors (4385693169).

17134887942727 is an equidigital number, since it uses as much as digits as its factorization.

17134887942727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385693168.

The product of its digits is 265531392, while the sum is 70.

The spelling of 17134887942727 in words is "seventeen trillion, one hundred thirty-four billion, eight hundred eighty-seven million, nine hundred forty-two thousand, seven hundred twenty-seven".