2030542519 has 4 divisors (see below), whose sum is σ = 2068854696. Its totient is φ = 1992230344.

The previous prime is 2030542463. The next prime is 2030542541. The reversal of 2030542519 is 9152450302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9152450302 = 2 ⋅4576225151.

It is a cyclic number.

It is not a de Polignac number, because 2030542519 - 2⁷ = 2030542391 is a prime.

It is a super-2 number, since 2×2030542519² = 8246205842933730722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030542819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19156009 + ... + 19156114.

It is an arithmetic number, because the mean of its divisors is an integer number (517213674).

Almost surely, 2^2030542519 is an apocalyptic number.

2030542519 is a deficient number, since it is larger than the sum of its proper divisors (38312177).

2030542519 is an equidigital number, since it uses as much as digits as its factorization.

2030542519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38312176.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2030542519 is about 45061.5414627596. The cubic root of 2030542519 is about 1266.3022036443.

The spelling of 2030542519 in words is "two billion, thirty million, five hundred forty-two thousand, five hundred nineteen".