4821187073 has 4 divisors (see below), whose sum is σ = 4821329748. Its totient is φ = 4821044400.

The previous prime is 4821187069. The next prime is 4821187087. The reversal of 4821187073 is 3707811284.

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 can be written as a sum of positive squares in 2 ways, for example, as 3634522369 + 1186664704 = 60287^2 + 34448^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821187073 - 2² = 4821187069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4821187073.

It is not an unprimeable number, because it can be changed into a prime (4821187003) 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, 11123 + ... + 98823.

It is an arithmetic number, because the mean of its divisors is an integer number (1205332437).

Almost surely, 2^4821187073 is an apocalyptic number.

It is an amenable number.

4821187073 is a deficient number, since it is larger than the sum of its proper divisors (142675).

4821187073 is an equidigital number, since it uses as much as digits as its factorization.

4821187073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142674.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 4821187073 is about 69434.7684737265. The cubic root of 4821187073 is about 1689.3436141255.

The spelling of 4821187073 in words is "four billion, eight hundred twenty-one million, one hundred eighty-seven thousand, seventy-three".