4509539854 has 4 divisors (see below), whose sum is σ = 6764309784. Its totient is φ = 2254769926.

The previous prime is 4509539851. The next prime is 4509539891. The reversal of 4509539854 is 4589359054.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509539851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127384962 + ... + 1127384965.

It is an arithmetic number, because the mean of its divisors is an integer number (1691077446).

Almost surely, 2^4509539854 is an apocalyptic number.

4509539854 is a deficient number, since it is larger than the sum of its proper divisors (2254769930).

4509539854 is a wasteful number, since it uses less digits than its factorization.

4509539854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254769929.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The square root of 4509539854 is about 67153.1075528155. The cubic root of 4509539854 is about 1652.1294640940.

The spelling of 4509539854 in words is "four billion, five hundred nine million, five hundred thirty-nine thousand, eight hundred fifty-four".