4249534578 has 16 divisors (see below), whose sum is σ = 8532142560. Its totient is φ = 1410999296.

The previous prime is 4249534567. The next prime is 4249534589. The reversal of 4249534578 is 8754359424.

4249534578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4249534567) and next prime (4249534589).

It is a super-4 number, since 4×4249534578⁴ (a number of 40 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249534578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376388 + ... + 1379471.

It is an arithmetic number, because the mean of its divisors is an integer number (533258910).

Almost surely, 2^4249534578 is an apocalyptic number.

4249534578 is an abundant number, since it is smaller than the sum of its proper divisors (4282607982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4249534578 is a wasteful number, since it uses less digits than its factorization.

4249534578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756121.

The product of its digits is 4838400, while the sum is 51.

The square root of 4249534578 is about 65188.4543305024. The cubic root of 4249534578 is about 1619.7467695938.

The spelling of 4249534578 in words is "four billion, two hundred forty-nine million, five hundred thirty-four thousand, five hundred seventy-eight".