4521542819 has 8 divisors (see below), whose sum is σ = 4812325200. Its totient is φ = 4233517056.

The previous prime is 4521542813. The next prime is 4521542863. The reversal of 4521542819 is 9182451254.

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 4521542819 - 2¹⁶ = 4521477283 is a prime.

It is a super-2 number, since 2×4521542819² = 40888698928100933522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521542813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685769 + ... + 692330.

It is an arithmetic number, because the mean of its divisors is an integer number (601540650).

Almost surely, 2^4521542819 is an apocalyptic number.

4521542819 is a deficient number, since it is larger than the sum of its proper divisors (290782381).

4521542819 is a wasteful number, since it uses less digits than its factorization.

4521542819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378309.

The product of its digits is 115200, while the sum is 41.

The square root of 4521542819 is about 67242.4183012479. The cubic root of 4521542819 is about 1653.5939804024.

The spelling of 4521542819 in words is "four billion, five hundred twenty-one million, five hundred forty-two thousand, eight hundred nineteen".