2171341524 has 96 divisors (see below), whose sum is σ = 5962916736. Its totient is φ = 607559680.

The previous prime is 2171341493. The next prime is 2171341607. The reversal of 2171341524 is 4251431712.

It is a junction number, because it is equal to n+sod(n) for n = 2171341491 and 2171341500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109804 + ... + 128060.

It is an arithmetic number, because the mean of its divisors is an integer number (62113716).

Almost surely, 2^2171341524 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 2171341524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981458368).

2171341524 is an abundant number, since it is smaller than the sum of its proper divisors (3791575212).

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

2171341524 is a wasteful number, since it uses less digits than its factorization.

2171341524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345 (or 18343 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 2171341524 is about 46597.6557779466. The cubic root of 2171341524 is about 1294.9193261313.

The spelling of 2171341524 in words is "two billion, one hundred seventy-one million, three hundred forty-one thousand, five hundred twenty-four".