513146445233 has 4 divisors (see below), whose sum is σ = 514486253568. Its totient is φ = 511806636900.

The previous prime is 513146445211. The next prime is 513146445239. The reversal of 513146445233 is 332544641315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513146445233 - 2¹⁴ = 513146428849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513146445239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669903593 + ... + 669904358.

It is an arithmetic number, because the mean of its divisors is an integer number (128621563392).

Almost surely, 2^513146445233 is an apocalyptic number.

It is an amenable number.

513146445233 is a deficient number, since it is larger than the sum of its proper divisors (1339808335).

513146445233 is a wasteful number, since it uses less digits than its factorization.

513146445233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339808334.

The product of its digits is 518400, while the sum is 41.

The spelling of 513146445233 in words is "five hundred thirteen billion, one hundred forty-six million, four hundred forty-five thousand, two hundred thirty-three".