513421553441232 has 80 divisors (see below), whose sum is σ = 1475842736080960. Its totient is φ = 170892846921600.

The previous prime is 513421553441201. The next prime is 513421553441233. The reversal of 513421553441232 is 232144355124315.

513421553441232 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 21 + 55 + 344 + 1 + 232 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513421553441233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859669519 + ... + 860266542.

It is an arithmetic number, because the mean of its divisors is an integer number (18448034201012).

Almost surely, 2^{513421553441232} is an apocalyptic number.

It is an amenable number.

513421553441232 is an abundant number, since it is smaller than the sum of its proper divisors (962421182639728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513421553441232 is a wasteful number, since it uses less digits than its factorization.

513421553441232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719936769 (or 1719936757 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 513421553441232 in words is "five hundred thirteen trillion, four hundred twenty-one billion, five hundred fifty-three million, four hundred forty-one thousand, two hundred thirty-two".