4513021939 has 8 divisors (see below), whose sum is σ = 4555841840. Its totient is φ = 4470228000.

The previous prime is 4513021897. The next prime is 4513021967. The reversal of 4513021939 is 9391203154.

4513021939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4513021939 - 2¹⁵ = 4512989171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4513021898 and 4513021907.

It is not an unprimeable number, because it can be changed into a prime (4513021999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683524 + ... + 690094.

It is an arithmetic number, because the mean of its divisors is an integer number (569480230).

Almost surely, 2^4513021939 is an apocalyptic number.

4513021939 is a deficient number, since it is larger than the sum of its proper divisors (42819901).

4513021939 is a wasteful number, since it uses less digits than its factorization.

4513021939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 4513021939 is about 67179.0290120362. The cubic root of 4513021939 is about 1652.5545906286.

The spelling of 4513021939 in words is "four billion, five hundred thirteen million, twenty-one thousand, nine hundred thirty-nine".