2171009484 has 324 divisors, whose sum is σ = 7006184640. Its totient is φ = 563915520.

The previous prime is 2171009473. The next prime is 2171009527. The reversal of 2171009484 is 4849001712.

2171009484 is a `hidden beast` number, since 2 + 171 + 0 + 0 + 9 + 484 = 666.

2171009484 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 58675914 + ... + 58675950.

Almost surely, 2^2171009484 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 2171009484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503092320).

2171009484 is an abundant number, since it is smaller than the sum of its proper divisors (4835175156).

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

2171009484 is a wasteful number, since it uses less digits than its factorization.

2171009484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2171009484 is about 46594.0928015559. The cubic root of 2171009484 is about 1294.8533167193.

The spelling of 2171009484 in words is "two billion, one hundred seventy-one million, nine thousand, four hundred eighty-four".