513308475863 has 2 divisors, whose sum is σ = 513308475864. Its totient is φ = 513308475862.

The previous prime is 513308475839. The next prime is 513308475871. The reversal of 513308475863 is 368574803315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513308475863 - 2²² = 513304281559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513308478863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256654237931 + 256654237932.

It is an arithmetic number, because the mean of its divisors is an integer number (256654237932).

Almost surely, 2^513308475863 is an apocalyptic number.

513308475863 is a deficient number, since it is larger than the sum of its proper divisors (1).

513308475863 is an equidigital number, since it uses as much as digits as its factorization.

513308475863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 513308475863 in words is "five hundred thirteen billion, three hundred eight million, four hundred seventy-five thousand, eight hundred sixty-three".