513500455022441 has 2 divisors, whose sum is σ = 513500455022442. Its totient is φ = 513500455022440.

The previous prime is 513500455022411. The next prime is 513500455022453. The reversal of 513500455022441 is 144220554005315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512200408104025 + 1300046918416 = 22631845^2 + 1140196^2 .

It is a cyclic number.

It is not a de Polignac number, because 513500455022441 - 2⁶ = 513500455022377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (513500455022411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256750227511220 + 256750227511221.

It is an arithmetic number, because the mean of its divisors is an integer number (256750227511221).

Almost surely, 2^{513500455022441} is an apocalyptic number.

It is an amenable number.

513500455022441 is a deficient number, since it is larger than the sum of its proper divisors (1).

513500455022441 is an equidigital number, since it uses as much as digits as its factorization.

513500455022441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 513500455022441 in words is "five hundred thirteen trillion, five hundred billion, four hundred fifty-five million, twenty-two thousand, four hundred forty-one".