4915552321 has 3 divisors (see below), whose sum is σ = 4915622433. Its totient is φ = 4915482210.

The previous prime is 4915552289. The next prime is 4915552331. The reversal of 4915552321 is 1232555194.

The square root of 4915552321 is 70111.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4915552321 - 2⁵ = 4915552289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4915552331) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35056 + ... + 105166.

It is an arithmetic number, because the mean of its divisors is an integer number (1638540811).

Almost surely, 2^4915552321 is an apocalyptic number.

4915552321 is the 70111-st square number.

4915552321 is the 35056-th centered octagonal number.

It is an amenable number.

4915552321 is a deficient number, since it is larger than the sum of its proper divisors (70112).

4915552321 is an frugal number, since it uses more digits than its factorization.

4915552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140222 (or 70111 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The cubic root of 4915552321 is about 1700.2943343884.

The spelling of 4915552321 in words is "four billion, nine hundred fifteen million, five hundred fifty-two thousand, three hundred twenty-one".