513050519977 has 2 divisors, whose sum is σ = 513050519978. Its totient is φ = 513050519976.

The previous prime is 513050519951. The next prime is 513050519987. The reversal of 513050519977 is 779915050315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466473974121 + 46576545856 = 682989^2 + 215816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513050519977 is a prime.

It is not a weakly prime, because it can be changed into another prime (513050519987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256525259988 + 256525259989.

It is an arithmetic number, because the mean of its divisors is an integer number (256525259989).

Almost surely, 2^513050519977 is an apocalyptic number.

It is an amenable number.

513050519977 is a deficient number, since it is larger than the sum of its proper divisors (1).

513050519977 is an equidigital number, since it uses as much as digits as its factorization.

513050519977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1488375, while the sum is 52.

The spelling of 513050519977 in words is "five hundred thirteen billion, fifty million, five hundred nineteen thousand, nine hundred seventy-seven".