4821678445 has 8 divisors (see below), whose sum is σ = 5895184536. Its totient is φ = 3784562496.

The previous prime is 4821678443. The next prime is 4821678479. The reversal of 4821678445 is 5448761284.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41615401 + 4780063044 = 6451^2 + 69138^2 .

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 4821678445 - 2¹ = 4821678443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821678443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097242 + ... + 9097771.

It is an arithmetic number, because the mean of its divisors is an integer number (736898067).

Almost surely, 2^4821678445 is an apocalyptic number.

It is an amenable number.

4821678445 is a deficient number, since it is larger than the sum of its proper divisors (1073506091).

4821678445 is a wasteful number, since it uses less digits than its factorization.

4821678445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195071.

The product of its digits is 1720320, while the sum is 49.

The square root of 4821678445 is about 69438.3067549894. The cubic root of 4821678445 is about 1689.4010044140.

The spelling of 4821678445 in words is "four billion, eight hundred twenty-one million, six hundred seventy-eight thousand, four hundred forty-five".