2179106434645 has 16 divisors (see below), whose sum is σ = 3026317800960. Its totient is φ = 1475329924224.

The previous prime is 2179106434639. The next prime is 2179106434649. The reversal of 2179106434645 is 5464346019712.

It is a cyclic number.

It is not a de Polignac number, because 2179106434645 - 2⁵ = 2179106434613 is a prime.

It is a super-2 number, since 2×2179106434645² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2179106434592 and 2179106434601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179106434649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394049032 + ... + 394054561.

It is an arithmetic number, because the mean of its divisors is an integer number (189144862560).

Almost surely, 2^{2179106434645} is an apocalyptic number.

It is an amenable number.

2179106434645 is a deficient number, since it is larger than the sum of its proper divisors (847211366315).

2179106434645 is an equidigital number, since it uses as much as digits as its factorization.

2179106434645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788103684.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 2179106434645 in words is "two trillion, one hundred seventy-nine billion, one hundred six million, four hundred thirty-four thousand, six hundred forty-five".