4545221810399 has 16 divisors (see below), whose sum is σ = 4908057818400. Its totient is φ = 4193147212800.

The previous prime is 4545221810359. The next prime is 4545221810419. The reversal of 4545221810399 is 9930181225454.

It is not a de Polignac number, because 4545221810399 - 2¹² = 4545221806303 is a prime.

It is a super-3 number, since 3×4545221810399³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 4545221810399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545221810359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452974 + ... + 3346875.

It is an arithmetic number, because the mean of its divisors is an integer number (306753613650).

Almost surely, 2^{4545221810399} is an apocalyptic number.

4545221810399 is a deficient number, since it is larger than the sum of its proper divisors (362836008001).

4545221810399 is a wasteful number, since it uses less digits than its factorization.

4545221810399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800970.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 4545221810399 in words is "four trillion, five hundred forty-five billion, two hundred twenty-one million, eight hundred ten thousand, three hundred ninety-nine".