2173696512 has 160 divisors (see below), whose sum is σ = 6508833408. Its totient is φ = 639614976.

The previous prime is 2173696507. The next prime is 2173696519. The reversal of 2173696512 is 2156963712.

It is a super-2 number, since 2×2173696512² = 9449913052561932288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2173696519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456898 + ... + 461630.

Almost surely, 2^2173696512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2173696512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3254416704).

2173696512 is an abundant number, since it is smaller than the sum of its proper divisors (4335136896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2173696512 is a wasteful number, since it uses less digits than its factorization.

2173696512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790 (or 4774 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 2173696512 is about 46622.9183127783. The cubic root of 2173696512 is about 1295.3873037424.

The spelling of 2173696512 in words is "two billion, one hundred seventy-three million, six hundred ninety-six thousand, five hundred twelve".