513504351445 has 16 divisors (see below), whose sum is σ = 640484248320. Its totient is φ = 394885001664.

The previous prime is 513504351431. The next prime is 513504351527. The reversal of 513504351445 is 544153405315.

It is a cyclic number.

It is not a de Polignac number, because 513504351445 - 2⁵ = 513504351413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513504351398 and 513504351407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16705725 + ... + 16736434.

It is an arithmetic number, because the mean of its divisors is an integer number (40030265520).

Almost surely, 2^513504351445 is an apocalyptic number.

It is an amenable number.

513504351445 is a deficient number, since it is larger than the sum of its proper divisors (126979896875).

513504351445 is a wasteful number, since it uses less digits than its factorization.

513504351445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442284.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 513504351445 in words is "five hundred thirteen billion, five hundred four million, three hundred fifty-one thousand, four hundred forty-five".