501342389057 has 2 divisors, whose sum is σ = 501342389058. Its totient is φ = 501342389056.

The previous prime is 501342389033. The next prime is 501342389059. The reversal of 501342389057 is 750983243105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490054601521 + 11287787536 = 700039^2 + 106244^2 .

It is a cyclic number.

It is not a de Polignac number, because 501342389057 - 2¹⁰ = 501342388033 is a prime.

Together with 501342389059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (501342389059) 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, 250671194528 + 250671194529.

It is an arithmetic number, because the mean of its divisors is an integer number (250671194529).

Almost surely, 2^501342389057 is an apocalyptic number.

It is an amenable number.

501342389057 is a deficient number, since it is larger than the sum of its proper divisors (1).

501342389057 is an equidigital number, since it uses as much as digits as its factorization.

501342389057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 501342389057 in words is "five hundred one billion, three hundred forty-two million, three hundred eighty-nine thousand, fifty-seven".