513500423543519 has 2 divisors, whose sum is σ = 513500423543520. Its totient is φ = 513500423543518.

The previous prime is 513500423543453. The next prime is 513500423543543. The reversal of 513500423543519 is 915345324005315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513500423543519 - 2⁴⁸ = 232025446832863 is a prime.

It is a super-2 number, since 2×513500423543519² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513500423543819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256750211771759 + 256750211771760.

It is an arithmetic number, because the mean of its divisors is an integer number (256750211771760).

Almost surely, 2^{513500423543519} is an apocalyptic number.

513500423543519 is a deficient number, since it is larger than the sum of its proper divisors (1).

513500423543519 is an equidigital number, since it uses as much as digits as its factorization.

513500423543519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 513500423543519 in words is "five hundred thirteen trillion, five hundred billion, four hundred twenty-three million, five hundred forty-three thousand, five hundred nineteen".