513204160643 has 8 divisors (see below), whose sum is σ = 543199522320. Its totient is φ = 483507260640.

The previous prime is 513204160639. The next prime is 513204160649. The reversal of 513204160643 is 346061402315.

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

It is not a de Polignac number, because 513204160643 - 2² = 513204160639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513204160649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74611880 + ... + 74618757.

It is an arithmetic number, because the mean of its divisors is an integer number (67899940290).

Almost surely, 2^513204160643 is an apocalyptic number.

513204160643 is a deficient number, since it is larger than the sum of its proper divisors (29995361677).

513204160643 is a wasteful number, since it uses less digits than its factorization.

513204160643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149230837.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 513204160643 its reverse (346061402315), we get a palindrome (859265562958).

The spelling of 513204160643 in words is "five hundred thirteen billion, two hundred four million, one hundred sixty thousand, six hundred forty-three".