2058439681 has 8 divisors (see below), whose sum is σ = 2066500800. Its totient is φ = 2050390320.

The previous prime is 2058439673. The next prime is 2058439687. The reversal of 2058439681 is 1869348502.

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 2058439681 - 2³ = 2058439673 is a prime.

It is a super-2 number, since 2×2058439681² = 8474347840630763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2058439687) by changing a digit.

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, 514035 + ... + 518023.

It is an arithmetic number, because the mean of its divisors is an integer number (258312600).

Almost surely, 2^2058439681 is an apocalyptic number.

It is an amenable number.

2058439681 is a deficient number, since it is larger than the sum of its proper divisors (8061119).

2058439681 is a wasteful number, since it uses less digits than its factorization.

2058439681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2058439681 is about 45370.0306479949. The cubic root of 2058439681 is about 1272.0749928180.

It can be divided in two parts, 205 and 8439681, that added together give a triangular number (8439886 = T₄₁₀₈).

The spelling of 2058439681 in words is "two billion, fifty-eight million, four hundred thirty-nine thousand, six hundred eighty-one".