8409164724 has 36 divisors (see below), whose sum is σ = 21265600356. Its totient is φ = 2801854848.

The previous prime is 8409164719. The next prime is 8409164747. The reversal of 8409164724 is 4274619048.

It can be written as a sum of positive squares in 2 ways, for example, as 3251052324 + 5158112400 = 57018^2 + 71820^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8409164724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37342 + ... + 134954.

It is an arithmetic number, because the mean of its divisors is an integer number (590711121).

Almost surely, 2^8409164724 is an apocalyptic number.

It is an amenable number.

8409164724 is an abundant number, since it is smaller than the sum of its proper divisors (12856435632).

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

8409164724 is a wasteful number, since it uses less digits than its factorization.

8409164724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100016 (or 100011 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8409164724 is about 91701.4979376019. The cubic root of 8409164724 is about 2033.5317300158.

The spelling of 8409164724 in words is "eight billion, four hundred nine million, one hundred sixty-four thousand, seven hundred twenty-four".