512546041643 has 16 divisors (see below), whose sum is σ = 530438175936. Its totient is φ = 494981585280.

The previous prime is 512546041619. The next prime is 512546041723. The reversal of 512546041643 is 346140645215.

It is a cyclic number.

It is not a de Polignac number, because 512546041643 - 2²² = 512541847339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512546041643.

It is not an unprimeable number, because it can be changed into a prime (512546041043) 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, 2195621 + ... + 2417817.

It is an arithmetic number, because the mean of its divisors is an integer number (33152385996).

Almost surely, 2^512546041643 is an apocalyptic number.

512546041643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

512546041643 is a deficient number, since it is larger than the sum of its proper divisors (17892134293).

512546041643 is a wasteful number, since it uses less digits than its factorization.

512546041643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222934.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 512546041643 its reverse (346140645215), we get a palindrome (858686686858).

The spelling of 512546041643 in words is "five hundred twelve billion, five hundred forty-six million, forty-one thousand, six hundred forty-three".