2084672726561 has 4 divisors (see below), whose sum is σ = 2129027465472. Its totient is φ = 2040317987652.

The previous prime is 2084672726527. The next prime is 2084672726567. The reversal of 2084672726561 is 1656272764802.

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-2084672726561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2084672726497 and 2084672726506.

It is not an unprimeable number, because it can be changed into a prime (2084672726567) 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, 22177369385 + ... + 22177369478.

It is an arithmetic number, because the mean of its divisors is an integer number (532256866368).

Almost surely, 2^{2084672726561} is an apocalyptic number.

It is an amenable number.

2084672726561 is a deficient number, since it is larger than the sum of its proper divisors (44354738911).

2084672726561 is an equidigital number, since it uses as much as digits as its factorization.

2084672726561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44354738910.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 2084672726561 in words is "two trillion, eighty-four billion, six hundred seventy-two million, seven hundred twenty-six thousand, five hundred sixty-one".