4521639352 has 16 divisors (see below), whose sum is σ = 8482349160. Its totient is φ = 2259679584.

The previous prime is 4521639341. The next prime is 4521639359. The reversal of 4521639352 is 2539361254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521639359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125538 + ... + 157489.

Almost surely, 2^4521639352 is an apocalyptic number.

It is an amenable number.

4521639352 is a deficient number, since it is larger than the sum of its proper divisors (3960709808).

4521639352 is a wasteful number, since it uses less digits than its factorization.

4521639352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285030 (or 285026 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 4521639352 is about 67243.1360958128. The cubic root of 4521639352 is about 1653.6057481594.

The spelling of 4521639352 in words is "four billion, five hundred twenty-one million, six hundred thirty-nine thousand, three hundred fifty-two".