2061671039 has 4 divisors (see below), whose sum is σ = 2182945824. Its totient is φ = 1940396256.

The previous prime is 2061671023. The next prime is 2061671047. The reversal of 2061671039 is 9301761602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2061671039 - 2⁴ = 2061671023 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 (2061671239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60637367 + ... + 60637400.

It is an arithmetic number, because the mean of its divisors is an integer number (545736456).

Almost surely, 2^2061671039 is an apocalyptic number.

2061671039 is a deficient number, since it is larger than the sum of its proper divisors (121274785).

2061671039 is a wasteful number, since it uses less digits than its factorization.

2061671039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121274784.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2061671039 is about 45405.6278340031. The cubic root of 2061671039 is about 1272.7402832481.

The spelling of 2061671039 in words is "two billion, sixty-one million, six hundred seventy-one thousand, thirty-nine".