2171324617 has 64 divisors (see below), whose sum is σ = 2978519040. Its totient is φ = 1532044800.

The previous prime is 2171324567. The next prime is 2171324633. The reversal of 2171324617 is 7164231712.

It is not a de Polignac number, because 2171324617 - 2¹⁵ = 2171291849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2171324647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3178758 + ... + 3179440.

It is an arithmetic number, because the mean of its divisors is an integer number (46539360).

Almost surely, 2^2171324617 is an apocalyptic number.

It is an amenable number.

2171324617 is a deficient number, since it is larger than the sum of its proper divisors (807194423).

2171324617 is a wasteful number, since it uses less digits than its factorization.

2171324617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 14112, while the sum is 34.

The square root of 2171324617 is about 46597.4743628880. The cubic root of 2171324617 is about 1294.9159651894.

The spelling of 2171324617 in words is "two billion, one hundred seventy-one million, three hundred twenty-four thousand, six hundred seventeen".