2106646753677 has 4 divisors (see below), whose sum is σ = 2808862338240. Its totient is φ = 1404431169116.

The previous prime is 2106646753577. The next prime is 2106646753711. The reversal of 2106646753677 is 7763576466012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2106646753677 - 2¹⁸ = 2106646491533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2106646753677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106646753577) 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, 351107792277 + ... + 351107792282.

It is an arithmetic number, because the mean of its divisors is an integer number (702215584560).

Almost surely, 2^{2106646753677} is an apocalyptic number.

It is an amenable number.

2106646753677 is a deficient number, since it is larger than the sum of its proper divisors (702215584563).

2106646753677 is an equidigital number, since it uses as much as digits as its factorization.

2106646753677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702215584562.

The product of its (nonzero) digits is 53343360, while the sum is 60.

The spelling of 2106646753677 in words is "two trillion, one hundred six billion, six hundred forty-six million, seven hundred fifty-three thousand, six hundred seventy-seven".