506042136443 has 2 divisors, whose sum is σ = 506042136444. Its totient is φ = 506042136442.

The previous prime is 506042136419. The next prime is 506042136493. The reversal of 506042136443 is 344631240605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506042136443 - 2¹² = 506042132347 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 506042136397 and 506042136406.

It is not a weakly prime, because it can be changed into another prime (506042136493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253021068221 + 253021068222.

It is an arithmetic number, because the mean of its divisors is an integer number (253021068222).

Almost surely, 2^506042136443 is an apocalyptic number.

506042136443 is a deficient number, since it is larger than the sum of its proper divisors (1).

506042136443 is an equidigital number, since it uses as much as digits as its factorization.

506042136443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 506042136443 in words is "five hundred six billion, forty-two million, one hundred thirty-six thousand, four hundred forty-three".