505000505519 has 2 divisors, whose sum is σ = 505000505520. Its totient is φ = 505000505518.

The previous prime is 505000505473. The next prime is 505000505579. The reversal of 505000505519 is 915505000505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505000505519 is a prime.

It is a super-2 number, since 2×505000505519² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505000505579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500252759 + 252500252760.

It is an arithmetic number, because the mean of its divisors is an integer number (252500252760).

Almost surely, 2^505000505519 is an apocalyptic number.

505000505519 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000505519 is an equidigital number, since it uses as much as digits as its factorization.

505000505519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 35.

The spelling of 505000505519 in words is "five hundred five billion, five hundred five thousand, five hundred nineteen".