2043958881 has 8 divisors (see below), whose sum is σ = 2725752960. Its totient is φ = 1362402032.

The previous prime is 2043958849. The next prime is 2043958919. The reversal of 2043958881 is 1888593402.

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 2043958881 - 2⁵ = 2043958849 is a prime.

It is a super-2 number, since 2×2043958881² = 8355535814437544322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2043958881.

It is not an unprimeable number, because it can be changed into a prime (2043958381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38121 + ... + 74438.

It is an arithmetic number, because the mean of its divisors is an integer number (340719120).

Almost surely, 2^2043958881 is an apocalyptic number.

It is an amenable number.

2043958881 is a deficient number, since it is larger than the sum of its proper divisors (681794079).

2043958881 is a wasteful number, since it uses less digits than its factorization.

2043958881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118615.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 2043958881 is about 45210.1634701756. The cubic root of 2043958881 is about 1269.0850212013.

The spelling of 2043958881 in words is "two billion, forty-three million, nine hundred fifty-eight thousand, eight hundred eighty-one".