513106074548 has 6 divisors (see below), whose sum is σ = 897935630466. Its totient is φ = 256553037272.

The previous prime is 513106074461. The next prime is 513106074563. The reversal of 513106074548 is 845470601315.

It can be written as a sum of positive squares in only one way, i.e., 454453953424 + 58652121124 = 674132^2 + 242182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513106074499 and 513106074508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64138259315 + ... + 64138259322.

It is an arithmetic number, because the mean of its divisors is an integer number (149655938411).

Almost surely, 2^513106074548 is an apocalyptic number.

It is an amenable number.

513106074548 is a deficient number, since it is larger than the sum of its proper divisors (384829555918).

513106074548 is a wasteful number, since it uses less digits than its factorization.

513106074548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128276518641 (or 128276518639 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 513106074548 in words is "five hundred thirteen billion, one hundred six million, seventy-four thousand, five hundred forty-eight".