2159536021 has 8 divisors (see below), whose sum is σ = 2188581120. Its totient is φ = 2130533808.

The previous prime is 2159535997. The next prime is 2159536031. The reversal of 2159536021 is 1206359512.

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

It is a cyclic number.

It is not a de Polignac number, because 2159536021 - 2¹⁹ = 2159011733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159536031) by changing a digit.

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, 97995 + ... + 117991.

It is an arithmetic number, because the mean of its divisors is an integer number (273572640).

Almost surely, 2^2159536021 is an apocalyptic number.

It is an amenable number.

2159536021 is a deficient number, since it is larger than the sum of its proper divisors (29045099).

2159536021 is a wasteful number, since it uses less digits than its factorization.

2159536021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 2159536021 is about 46470.8082671261. The cubic root of 2159536021 is about 1292.5682506825.

The spelling of 2159536021 in words is "two billion, one hundred fifty-nine million, five hundred thirty-six thousand, twenty-one".