2159901601 has 16 divisors (see below), whose sum is σ = 2544635520. Its totient is φ = 1807413120.

The previous prime is 2159901593. The next prime is 2159901631. The reversal of 2159901601 is 1061099512.

It is a happy number.

2159901601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2159901601 - 2³ = 2159901593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2159901631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30301 + ... + 72373.

It is an arithmetic number, because the mean of its divisors is an integer number (159039720).

Almost surely, 2^2159901601 is an apocalyptic number.

It is an amenable number.

2159901601 is a deficient number, since it is larger than the sum of its proper divisors (384733919).

2159901601 is a wasteful number, since it uses less digits than its factorization.

2159901601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42456.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 2159901601 is about 46474.7415377428. The cubic root of 2159901601 is about 1292.6411846267.

The spelling of 2159901601 in words is "two billion, one hundred fifty-nine million, nine hundred one thousand, six hundred one".