501342389077 has 2 divisors, whose sum is σ = 501342389078. Its totient is φ = 501342389076.

The previous prime is 501342389059. The next prime is 501342389083. The reversal of 501342389077 is 770983243105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311602869796 + 189739519281 = 558214^2 + 435591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501342389077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501342389077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501342389057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250671194538 + 250671194539.

It is an arithmetic number, because the mean of its divisors is an integer number (250671194539).

Almost surely, 2^501342389077 is an apocalyptic number.

It is an amenable number.

501342389077 is a deficient number, since it is larger than the sum of its proper divisors (1).

501342389077 is an equidigital number, since it uses as much as digits as its factorization.

501342389077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 501342389077 in words is "five hundred one billion, three hundred forty-two million, three hundred eighty-nine thousand, seventy-seven".