2170872590 has 8 divisors (see below), whose sum is σ = 3907570680. Its totient is φ = 868349032.

The previous prime is 2170872589. The next prime is 2170872593. The reversal of 2170872590 is 952780712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170872593) 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 3 ways as a sum of consecutive naturals, for example, 108543620 + ... + 108543639.

It is an arithmetic number, because the mean of its divisors is an integer number (488446335).

Almost surely, 2^2170872590 is an apocalyptic number.

2170872590 is a deficient number, since it is larger than the sum of its proper divisors (1736698090).

2170872590 is a wasteful number, since it uses less digits than its factorization.

2170872590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217087266.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 2170872590 is about 46592.6237724385. The cubic root of 2170872590 is about 1294.8261002904.

The spelling of 2170872590 in words is "two billion, one hundred seventy million, eight hundred seventy-two thousand, five hundred ninety".