4455428993 has 2 divisors, whose sum is σ = 4455428994. Its totient is φ = 4455428992.

The previous prime is 4455428899. The next prime is 4455429023. The reversal of 4455428993 is 3998245544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3727346704 + 728082289 = 61052^2 + 26983^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455428993 - 2¹⁰ = 4455427969 is a prime.

It is not a weakly prime, because it can be changed into another prime (4455428893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227714496 + 2227714497.

It is an arithmetic number, because the mean of its divisors is an integer number (2227714497).

Almost surely, 2^4455428993 is an apocalyptic number.

It is an amenable number.

4455428993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455428993 is an equidigital number, since it uses as much as digits as its factorization.

4455428993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 53.

The square root of 4455428993 is about 66748.9999400740. Note that the first 4 decimals coincide. The cubic root of 4455428993 is about 1645.4947798285.

The spelling of 4455428993 in words is "four billion, four hundred fifty-five million, four hundred twenty-eight thousand, nine hundred ninety-three".