501134451073 has 2 divisors, whose sum is σ = 501134451074. Its totient is φ = 501134451072.

The previous prime is 501134451071. The next prime is 501134451089. The reversal of 501134451073 is 370154431105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316352252304 + 184782198769 = 562452^2 + 429863^2 .

It is a cyclic number.

It is not a de Polignac number, because 501134451073 - 2¹ = 501134451071 is a prime.

It is a super-2 number, since 2×501134451073² (a number of 24 digits) contains 22 as substring.

Together with 501134451071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (501134451071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250567225536 + 250567225537.

It is an arithmetic number, because the mean of its divisors is an integer number (250567225537).

Almost surely, 2^501134451073 is an apocalyptic number.

It is an amenable number.

501134451073 is a deficient number, since it is larger than the sum of its proper divisors (1).

501134451073 is an equidigital number, since it uses as much as digits as its factorization.

501134451073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 501134451073 its reverse (370154431105), we get a palindrome (871288882178).

The spelling of 501134451073 in words is "five hundred one billion, one hundred thirty-four million, four hundred fifty-one thousand, seventy-three".