2170085470091 has 32 divisors (see below), whose sum is σ = 2730632712192. Its totient is φ = 1675371958560.

The previous prime is 2170085470081. The next prime is 2170085470097. The reversal of 2170085470091 is 1900745800712.

It is a cyclic number.

It is not a de Polignac number, because 2170085470091 - 2⁶ = 2170085470027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2170085470097) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 3672860 + ... + 4222566.

It is an arithmetic number, because the mean of its divisors is an integer number (85332272256).

Almost surely, 2^{2170085470091} is an apocalyptic number.

2170085470091 is a deficient number, since it is larger than the sum of its proper divisors (560547242101).

2170085470091 is a wasteful number, since it uses less digits than its factorization.

2170085470091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550199.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 2170085470091 in words is "two trillion, one hundred seventy billion, eighty-five million, four hundred seventy thousand, ninety-one".