4915516321 has 4 divisors (see below), whose sum is σ = 4915811632. Its totient is φ = 4915221012.

The previous prime is 4915516301. The next prime is 4915516343. The reversal of 4915516321 is 1236155194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4915516321 - 2¹¹ = 4915514273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4915516301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121095 + ... + 156508.

It is an arithmetic number, because the mean of its divisors is an integer number (1228952908).

Almost surely, 2^4915516321 is an apocalyptic number.

It is an amenable number.

4915516321 is a deficient number, since it is larger than the sum of its proper divisors (295311).

4915516321 is a wasteful number, since it uses less digits than its factorization.

4915516321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295310.

The product of its digits is 32400, while the sum is 37.

The square root of 4915516321 is about 70110.7432637823. The cubic root of 4915516321 is about 1700.2901835666.

The spelling of 4915516321 in words is "four billion, nine hundred fifteen million, five hundred sixteen thousand, three hundred twenty-one".