2171296670 has 16 divisors (see below), whose sum is σ = 3961874160. Its totient is φ = 856620864.

The previous prime is 2171296657. The next prime is 2171296679. The reversal of 2171296670 is 766921712.

It is a super-3 number, since 3×2171296670³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171296679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486460 + ... + 1487919.

It is an arithmetic number, because the mean of its divisors is an integer number (247617135).

Almost surely, 2^2171296670 is an apocalyptic number.

2171296670 is a deficient number, since it is larger than the sum of its proper divisors (1790577490).

2171296670 is a wasteful number, since it uses less digits than its factorization.

2171296670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974459.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2171296670 is about 46597.1744851552. The cubic root of 2171296670 is about 1294.9104095681.

The spelling of 2171296670 in words is "two billion, one hundred seventy-one million, two hundred ninety-six thousand, six hundred seventy".