445322021203 has 2 divisors, whose sum is σ = 445322021204. Its totient is φ = 445322021202.

The previous prime is 445322021201. The next prime is 445322021227. The reversal of 445322021203 is 302120223544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445322021203 - 2¹ = 445322021201 is a prime.

Together with 445322021201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (445322021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222661010601 + 222661010602.

It is an arithmetic number, because the mean of its divisors is an integer number (222661010602).

Almost surely, 2^445322021203 is an apocalyptic number.

445322021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

445322021203 is an equidigital number, since it uses as much as digits as its factorization.

445322021203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 445322021203 its reverse (302120223544), we get a palindrome (747442244747).

The spelling of 445322021203 in words is "four hundred forty-five billion, three hundred twenty-two million, twenty-one thousand, two hundred three".