506443445371 has 2 divisors, whose sum is σ = 506443445372. Its totient is φ = 506443445370.

The previous prime is 506443445119. The next prime is 506443445381. The reversal of 506443445371 is 173544344605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506443445371 is a prime.

It is a super-2 number, since 2×506443445371² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506443445381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253221722685 + 253221722686.

It is an arithmetic number, because the mean of its divisors is an integer number (253221722686).

Almost surely, 2^506443445371 is an apocalyptic number.

506443445371 is a deficient number, since it is larger than the sum of its proper divisors (1).

506443445371 is an equidigital number, since it uses as much as digits as its factorization.

506443445371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 46.

Adding to 506443445371 its reverse (173544344605), we get a palindrome (679987789976).

The spelling of 506443445371 in words is "five hundred six billion, four hundred forty-three million, four hundred forty-five thousand, three hundred seventy-one".