4045868519 has 32 divisors (see below), whose sum is σ = 5098678272. Its totient is φ = 3118752000.

The previous prime is 4045868513. The next prime is 4045868527. The reversal of 4045868519 is 9158685404.

It is a de Polignac number, because none of the positive numbers 2^k-4045868519 is a prime.

It is a super-2 number, since 2×4045868519² = 32738104146070506722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045868513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4440674 + ... + 4441584.

It is an arithmetic number, because the mean of its divisors is an integer number (159333696).

Almost surely, 2^4045868519 is an apocalyptic number.

4045868519 is a deficient number, since it is larger than the sum of its proper divisors (1052809753).

4045868519 is a wasteful number, since it uses less digits than its factorization.

4045868519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 4045868519 is about 63607.1420439560. The cubic root of 4045868519 is about 1593.4456503876.

The spelling of 4045868519 in words is "four billion, forty-five million, eight hundred sixty-eight thousand, five hundred nineteen".