2073809519 has 4 divisors (see below), whose sum is σ = 2093943696. Its totient is φ = 2053675344.

The previous prime is 2073809509. The next prime is 2073809557. The reversal of 2073809519 is 9159083702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9159083702 = 2 ⋅4579541851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2073809519 is a prime.

It is a super-2 number, since 2×2073809519² = 8601371842190022722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2073809519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073809509) 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, 10066934 + ... + 10067139.

It is an arithmetic number, because the mean of its divisors is an integer number (523485924).

Almost surely, 2^2073809519 is an apocalyptic number.

2073809519 is a deficient number, since it is larger than the sum of its proper divisors (20134177).

2073809519 is a wasteful number, since it uses less digits than its factorization.

2073809519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134176.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 2073809519 is about 45539.0987943328. The cubic root of 2073809519 is about 1275.2332304849.

The spelling of 2073809519 in words is "two billion, seventy-three million, eight hundred nine thousand, five hundred nineteen".