2073865539 has 16 divisors (see below), whose sum is σ = 2822152320. Its totient is φ = 1354309440.

The previous prime is 2073865537. The next prime is 2073865583. The reversal of 2073865539 is 9355683702.

It is a happy number.

It is not a de Polignac number, because 2073865539 - 2¹ = 2073865537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2073865531) 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, 7159 + ... + 64799.

It is an arithmetic number, because the mean of its divisors is an integer number (176384520).

Almost surely, 2^2073865539 is an apocalyptic number.

2073865539 is a deficient number, since it is larger than the sum of its proper divisors (748286781).

2073865539 is a wasteful number, since it uses less digits than its factorization.

2073865539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57890.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 2073865539 is about 45539.7138660313. The cubic root of 2073865539 is about 1275.2447130442.

The spelling of 2073865539 in words is "two billion, seventy-three million, eight hundred sixty-five thousand, five hundred thirty-nine".