4569021853 has 4 divisors (see below), whose sum is σ = 4984387488. Its totient is φ = 4153656220.

The previous prime is 4569021841. The next prime is 4569021869. The reversal of 4569021853 is 3581209654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4569021853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4569021823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207682801 + ... + 207682822.

It is an arithmetic number, because the mean of its divisors is an integer number (1246096872).

Almost surely, 2^4569021853 is an apocalyptic number.

It is an amenable number.

4569021853 is a deficient number, since it is larger than the sum of its proper divisors (415365635).

4569021853 is a wasteful number, since it uses less digits than its factorization.

4569021853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415365634.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 4569021853 is about 67594.5401123493. The cubic root of 4569021853 is about 1659.3617632792.

The spelling of 4569021853 in words is "four billion, five hundred sixty-nine million, twenty-one thousand, eight hundred fifty-three".