2106723072277 has 4 divisors (see below), whose sum is σ = 2107104799680. Its totient is φ = 2106341344876.

The previous prime is 2106723072253. The next prime is 2106723072287. The reversal of 2106723072277 is 7722703276012.

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 a de Polignac number, because none of the positive numbers 2^k-2106723072277 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 (2106723072287) 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, 190855423 + ... + 190866460.

It is an arithmetic number, because the mean of its divisors is an integer number (526776199920).

Almost surely, 2^{2106723072277} is an apocalyptic number.

It is an amenable number.

2106723072277 is a deficient number, since it is larger than the sum of its proper divisors (381727403).

2106723072277 is an equidigital number, since it uses as much as digits as its factorization.

2106723072277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381727402.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 2106723072277 in words is "two trillion, one hundred six billion, seven hundred twenty-three million, seventy-two thousand, two hundred seventy-seven".