2169579480 has 32 divisors (see below), whose sum is σ = 6508738800. Its totient is φ = 578554496.

The previous prime is 2169579473. The next prime is 2169579499. The reversal of 2169579480 is 849759612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9039795 + ... + 9040034.

Almost surely, 2^2169579480 is an apocalyptic number.

2169579480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169579480 is an abundant number, since it is smaller than the sum of its proper divisors (4339159320).

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

2169579480 is a wasteful number, since it uses less digits than its factorization.

2169579480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079843 (or 18079839 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2169579480 is about 46578.7449380079. The cubic root of 2169579480 is about 1294.5689555910.

The spelling of 2169579480 in words is "two billion, one hundred sixty-nine million, five hundred seventy-nine thousand, four hundred eighty".