513423452204521 has 8 divisors (see below), whose sum is σ = 520286430946464. Its totient is φ = 506598707328000.

The previous prime is 513423452204447. The next prime is 513423452204539. The reversal of 513423452204521 is 125402254324315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513423452204521 - 2³³ = 513414862269929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513423452204581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9558439320 + ... + 9558493033.

It is an arithmetic number, because the mean of its divisors is an integer number (65035803868308).

Almost surely, 2^{513423452204521} is an apocalyptic number.

It is an amenable number.

513423452204521 is a deficient number, since it is larger than the sum of its proper divisors (6862978741943).

513423452204521 is a wasteful number, since it uses less digits than its factorization.

513423452204521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19116932711.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 513423452204521 in words is "five hundred thirteen trillion, four hundred twenty-three billion, four hundred fifty-two million, two hundred four thousand, five hundred twenty-one".