513406204056433 has 4 divisors (see below), whose sum is σ = 518489433799668. Its totient is φ = 508322974313200.

The previous prime is 513406204056337. The next prime is 513406204056457. The reversal of 513406204056433 is 334650402604315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 447271445356849 + 66134758699584 = 21148793^2 + 8132328^2 .

It is a cyclic number.

It is not a de Polignac number, because 513406204056433 - 2²¹ = 513406201959281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513406204056833) 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, 2541614871466 + ... + 2541614871667.

It is an arithmetic number, because the mean of its divisors is an integer number (129622358449917).

Almost surely, 2^{513406204056433} is an apocalyptic number.

It is an amenable number.

513406204056433 is a deficient number, since it is larger than the sum of its proper divisors (5083229743235).

513406204056433 is a wasteful number, since it uses less digits than its factorization.

513406204056433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083229743234.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 513406204056433 in words is "five hundred thirteen trillion, four hundred six billion, two hundred four million, fifty-six thousand, four hundred thirty-three".