2126286816767 has 4 divisors (see below), whose sum is σ = 2127598531416. Its totient is φ = 2124975102120.

The previous prime is 2126286816761. The next prime is 2126286816779. The reversal of 2126286816767 is 7676186826212.

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

It is a cyclic number.

It is not a de Polignac number, because 2126286816767 - 2¹⁰ = 2126286815743 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 (2126286816761) 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, 655854893 + ... + 655858134.

It is an arithmetic number, because the mean of its divisors is an integer number (531899632854).

Almost surely, 2^{2126286816767} is an apocalyptic number.

2126286816767 is a deficient number, since it is larger than the sum of its proper divisors (1311714649).

2126286816767 is a wasteful number, since it uses less digits than its factorization.

2126286816767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311714648.

The product of its digits is 32514048, while the sum is 62.

The spelling of 2126286816767 in words is "two trillion, one hundred twenty-six billion, two hundred eighty-six million, eight hundred sixteen thousand, seven hundred sixty-seven".