500242777720993 has 2 divisors, whose sum is σ = 500242777720994. Its totient is φ = 500242777720992.

The previous prime is 500242777720969. The next prime is 500242777721021. The reversal of 500242777720993 is 399027777242005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331155848545344 + 169086929175649 = 18197688^2 + 13003343^2 .

It is a cyclic number.

It is not a de Polignac number, because 500242777720993 - 2²¹ = 500242775623841 is a prime.

It is not a weakly prime, because it can be changed into another prime (500242777720193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250121388860496 + 250121388860497.

It is an arithmetic number, because the mean of its divisors is an integer number (250121388860497).

Almost surely, 2^{500242777720993} is an apocalyptic number.

It is an amenable number.

500242777720993 is a deficient number, since it is larger than the sum of its proper divisors (1).

500242777720993 is an equidigital number, since it uses as much as digits as its factorization.

500242777720993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93350880, while the sum is 64.

The spelling of 500242777720993 in words is "five hundred trillion, two hundred forty-two billion, seven hundred seventy-seven million, seven hundred twenty thousand, nine hundred ninety-three".