2159378841 has 16 divisors (see below), whose sum is σ = 2956621824. Its totient is φ = 1401289344.

The previous prime is 2159378821. The next prime is 2159378863. The reversal of 2159378841 is 1488739512.

It is not a de Polignac number, because 2159378841 - 2¹⁵ = 2159346073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2159378821) 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, 33276 + ... + 73661.

It is an arithmetic number, because the mean of its divisors is an integer number (184788864).

Almost surely, 2^2159378841 is an apocalyptic number.

It is an amenable number.

2159378841 is a deficient number, since it is larger than the sum of its proper divisors (797242983).

2159378841 is a wasteful number, since it uses less digits than its factorization.

2159378841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107120.

The product of its digits is 483840, while the sum is 48.

The square root of 2159378841 is about 46469.1170671447. The cubic root of 2159378841 is about 1292.5368904266.

The spelling of 2159378841 in words is "two billion, one hundred fifty-nine million, three hundred seventy-eight thousand, eight hundred forty-one".