506443400143603 has 32 divisors (see below), whose sum is σ = 560256769017792. Its totient is φ = 454816941926400.

The previous prime is 506443400143511. The next prime is 506443400143619. The reversal of 506443400143603 is 306341004344605.

It is a cyclic number.

It is not a de Polignac number, because 506443400143603 - 2³³ = 506434810209011 is a prime.

It is a super-2 number, since 2×506443400143603² (a number of 30 digits) contains 22 as substring.

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 506443400143603.

It is not an unprimeable number, because it can be changed into a prime (506443400143643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411768588 + ... + 412996678.

It is an arithmetic number, because the mean of its divisors is an integer number (17508024031806).

Almost surely, 2^{506443400143603} is an apocalyptic number.

506443400143603 is a deficient number, since it is larger than the sum of its proper divisors (53813368874189).

506443400143603 is a wasteful number, since it uses less digits than its factorization.

506443400143603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230295.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 506443400143603 in words is "five hundred six trillion, four hundred forty-three billion, four hundred million, one hundred forty-three thousand, six hundred three".