513257071473 has 12 divisors (see below), whose sum is σ = 741396784128. Its totient is φ = 342159630840.

The previous prime is 513257071447. The next prime is 513257071489. The reversal of 513257071473 is 374170752315.

513257071473 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 570 + 7 + 1 + 4 + 73 = 666.

It is not a de Polignac number, because 513257071473 - 2⁹ = 513257070961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513257071433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698293 + ... + 1230498.

It is an arithmetic number, because the mean of its divisors is an integer number (61783065344).

Almost surely, 2^513257071473 is an apocalyptic number.

It is an amenable number.

513257071473 is a deficient number, since it is larger than the sum of its proper divisors (228139712655).

513257071473 is a wasteful number, since it uses less digits than its factorization.

513257071473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958364 (or 1958361 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 513257071473 in words is "five hundred thirteen billion, two hundred fifty-seven million, seventy-one thousand, four hundred seventy-three".