2171506470 has 32 divisors (see below), whose sum is σ = 5956132608. Its totient is φ = 496344288.

The previous prime is 2171506453. The next prime is 2171506483. The reversal of 2171506470 is 746051712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170044 + ... + 5170463.

It is an arithmetic number, because the mean of its divisors is an integer number (186129144).

Almost surely, 2^2171506470 is an apocalyptic number.

2171506470 is an abundant number, since it is smaller than the sum of its proper divisors (3784626138).

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

2171506470 is a wasteful number, since it uses less digits than its factorization.

2171506470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340524.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2171506470 is about 46599.4256402372. The cubic root of 2171506470 is about 1294.9521148247.

The spelling of 2171506470 in words is "two billion, one hundred seventy-one million, five hundred six thousand, four hundred seventy".