2126645342606 has 4 divisors (see below), whose sum is σ = 3189968013912. Its totient is φ = 1063322671302.

The previous prime is 2126645342567. The next prime is 2126645342611. The reversal of 2126645342606 is 6062435466212.

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

It is a super-2 number, since 2×2126645342606² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531661335650 + ... + 531661335653.

It is an arithmetic number, because the mean of its divisors is an integer number (797492003478).

Almost surely, 2^{2126645342606} is an apocalyptic number.

2126645342606 is a deficient number, since it is larger than the sum of its proper divisors (1063322671306).

2126645342606 is a wasteful number, since it uses less digits than its factorization.

2126645342606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063322671305.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 2126645342606 in words is "two trillion, one hundred twenty-six billion, six hundred forty-five million, three hundred forty-two thousand, six hundred six".