2071203839 has 4 divisors (see below), whose sum is σ = 2071447824. Its totient is φ = 2070959856.

The previous prime is 2071203803. The next prime is 2071203859. The reversal of 2071203839 is 9383021702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9383021702 = 2 ⋅4691510851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071203839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2071203799 and 2071203808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071203859) 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, 108782 + ... + 126395.

It is an arithmetic number, because the mean of its divisors is an integer number (517861956).

Almost surely, 2^2071203839 is an apocalyptic number.

2071203839 is a deficient number, since it is larger than the sum of its proper divisors (243985).

2071203839 is an equidigital number, since it uses as much as digits as its factorization.

2071203839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243984.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2071203839 is about 45510.4805402008. The cubic root of 2071203839 is about 1274.6989090902.

The spelling of 2071203839 in words is "two billion, seventy-one million, two hundred three thousand, eight hundred thirty-nine".