2173516970 has 64 divisors (see below), whose sum is σ = 4187842560. Its totient is φ = 809856000.

The previous prime is 2173516921. The next prime is 2173516979. The reversal of 2173516970 is 796153712.

It is not an unprimeable number, because it can be changed into a prime (2173516979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3664994 + ... + 3665586.

It is an arithmetic number, because the mean of its divisors is an integer number (65435040).

Almost surely, 2^2173516970 is an apocalyptic number.

2173516970 is a deficient number, since it is larger than the sum of its proper divisors (2014325590).

2173516970 is a wasteful number, since it uses less digits than its factorization.

2173516970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 2173516970 is about 46620.9928036716. The cubic root of 2173516970 is about 1295.3516374891.

The spelling of 2173516970 in words is "two billion, one hundred seventy-three million, five hundred sixteen thousand, nine hundred seventy".