506040403406603 has 4 divisors (see below), whose sum is σ = 544966588284048. Its totient is φ = 467114218529160.

The previous prime is 506040403406597. The next prime is 506040403406677. The reversal of 506040403406603 is 306604304040605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506040403406603 - 2³² = 506036108439307 is a prime.

It is a super-2 number, since 2×506040403406603² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506040405406603) 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 3 ways as a sum of consecutive naturals, for example, 19463092438703 + ... + 19463092438728.

It is an arithmetic number, because the mean of its divisors is an integer number (136241647071012).

Almost surely, 2^{506040403406603} is an apocalyptic number.

506040403406603 is a deficient number, since it is larger than the sum of its proper divisors (38926184877445).

506040403406603 is a wasteful number, since it uses less digits than its factorization.

506040403406603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38926184877444.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 506040403406603 in words is "five hundred six trillion, forty billion, four hundred three million, four hundred six thousand, six hundred three".