513136635047 has 2 divisors, whose sum is σ = 513136635048. Its totient is φ = 513136635046.

The previous prime is 513136635007. The next prime is 513136635131. The reversal of 513136635047 is 740536631315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513136635047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513136634989 and 513136635007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513136635007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256568317523 + 256568317524.

It is an arithmetic number, because the mean of its divisors is an integer number (256568317524).

Almost surely, 2^513136635047 is an apocalyptic number.

513136635047 is a deficient number, since it is larger than the sum of its proper divisors (1).

513136635047 is an equidigital number, since it uses as much as digits as its factorization.

513136635047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 513136635047 in words is "five hundred thirteen billion, one hundred thirty-six million, six hundred thirty-five thousand, forty-seven".