513364102849 has 4 divisors (see below), whose sum is σ = 552853649236. Its totient is φ = 473874556464.

The previous prime is 513364102837. The next prime is 513364102873. The reversal of 513364102849 is 948201463315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948201463315 = 5 ⋅189640292663.

It can be written as a sum of positive squares in 2 ways, for example, as 90259386624 + 423104716225 = 300432^2 + 650465^2 .

It is a cyclic number.

It is not a de Polignac number, because 513364102849 - 2⁷ = 513364102721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513364102799 and 513364102808.

It is not an unprimeable number, because it can be changed into a prime (513364102879) 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, 19744773174 + ... + 19744773199.

It is an arithmetic number, because the mean of its divisors is an integer number (138213412309).

Almost surely, 2^513364102849 is an apocalyptic number.

It is an amenable number.

513364102849 is a deficient number, since it is larger than the sum of its proper divisors (39489546387).

513364102849 is a wasteful number, since it uses less digits than its factorization.

513364102849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39489546386.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 513364102849 in words is "five hundred thirteen billion, three hundred sixty-four million, one hundred two thousand, eight hundred forty-nine".