2159428715 has 8 divisors (see below), whose sum is σ = 2703980448. Its totient is φ = 1652432320.

The previous prime is 2159428697. The next prime is 2159428729. The reversal of 2159428715 is 5178249512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2159428715 - 2¹⁸ = 2159166571 is a prime.

It is a Duffinian 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, 9388706 + ... + 9388935.

It is an arithmetic number, because the mean of its divisors is an integer number (337997556).

Almost surely, 2^2159428715 is an apocalyptic number.

2159428715 is a deficient number, since it is larger than the sum of its proper divisors (544551733).

2159428715 is a wasteful number, since it uses less digits than its factorization.

2159428715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18777669.

The product of its digits is 201600, while the sum is 44.

The square root of 2159428715 is about 46469.6537000223. The cubic root of 2159428715 is about 1292.5468413574.

The spelling of 2159428715 in words is "two billion, one hundred fifty-nine million, four hundred twenty-eight thousand, seven hundred fifteen".