513164146441 has 4 divisors (see below), whose sum is σ = 517872074500. Its totient is φ = 508456218384.

The previous prime is 513164146409. The next prime is 513164146459. The reversal of 513164146441 is 144641461315.

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 281414335225 + 231749811216 = 530485^2 + 481404^2 .

It is a cyclic number.

It is not a de Polignac number, because 513164146441 - 2⁵ = 513164146409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513164146394 and 513164146403.

It is not an unprimeable number, because it can be changed into a prime (513164126441) 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, 2353963866 + ... + 2353964083.

It is an arithmetic number, because the mean of its divisors is an integer number (129468018625).

Almost surely, 2^513164146441 is an apocalyptic number.

It is an amenable number.

513164146441 is a deficient number, since it is larger than the sum of its proper divisors (4707928059).

513164146441 is a wasteful number, since it uses less digits than its factorization.

513164146441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707928058.

The product of its digits is 138240, while the sum is 40.

The spelling of 513164146441 in words is "five hundred thirteen billion, one hundred sixty-four million, one hundred forty-six thousand, four hundred forty-one".