2136789074177 has 4 divisors (see below), whose sum is σ = 2136877949700. Its totient is φ = 2136700198656.

The previous prime is 2136789074059. The next prime is 2136789074209. The reversal of 2136789074177 is 7714709876312.

It is a Cunningham number, because it is equal to 1461776²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1048854546496 + 1087934527681 = 1024136^2 + 1043041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136789074177 - 2¹² = 2136789070081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136789074477) 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, 44401688 + ... + 44449785.

It is an arithmetic number, because the mean of its divisors is an integer number (534219487425).

Almost surely, 2^{2136789074177} is an apocalyptic number.

It is an amenable number.

2136789074177 is a deficient number, since it is larger than the sum of its proper divisors (88875523).

2136789074177 is an equidigital number, since it uses as much as digits as its factorization.

2136789074177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88875522.

The product of its (nonzero) digits is 24893568, while the sum is 62.

The spelling of 2136789074177 in words is "two trillion, one hundred thirty-six billion, seven hundred eighty-nine million, seventy-four thousand, one hundred seventy-seven".