4851215993 has 8 divisors (see below), whose sum is σ = 5238398088. Its totient is φ = 4466035584.

The previous prime is 4851215987. The next prime is 4851216001. The reversal of 4851215993 is 3995121584.

4851215993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 397922704 + 4453293289 = 19948^2 + 66733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4851215993 - 2¹⁰ = 4851214969 is a prime.

It is a super-2 number, since 2×4851215993² = 47068593221477952098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4851215933) 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 7 ways as a sum of consecutive naturals, for example, 495380 + ... + 505077.

It is an arithmetic number, because the mean of its divisors is an integer number (654799761).

Almost surely, 2^4851215993 is an apocalyptic number.

It is an amenable number.

4851215993 is a deficient number, since it is larger than the sum of its proper divisors (387182095).

4851215993 is a wasteful number, since it uses less digits than its factorization.

4851215993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000843.

The product of its digits is 388800, while the sum is 47.

The square root of 4851215993 is about 69650.6711597239. The cubic root of 4851215993 is about 1692.8437344395.

The spelling of 4851215993 in words is "four billion, eight hundred fifty-one million, two hundred fifteen thousand, nine hundred ninety-three".