2159852406 has 16 divisors (see below), whose sum is σ = 4320262848. Its totient is φ = 719857800.

The previous prime is 2159852389. The next prime is 2159852411. The reversal of 2159852406 is 6042589512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40521 + ... + 77211.

It is an arithmetic number, because the mean of its divisors is an integer number (270016428).

Almost surely, 2^2159852406 is an apocalyptic number.

2159852406 is an abundant number, since it is smaller than the sum of its proper divisors (2160410442).

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

2159852406 is a wasteful number, since it uses less digits than its factorization.

2159852406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46507.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2159852406 is about 46474.2122687410. The cubic root of 2159852406 is about 1292.6313706046.

The spelling of 2159852406 in words is "two billion, one hundred fifty-nine million, eight hundred fifty-two thousand, four hundred six".