513445055413541 has 4 divisors (see below), whose sum is σ = 521108414449632. Its totient is φ = 505781696377452.

The previous prime is 513445055413513. The next prime is 513445055413553. The reversal of 513445055413541 is 145314550544315.

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 a de Polignac number, because none of the positive numbers 2^k-513445055413541 is a prime.

It is a super-2 number, since 2×513445055413541² (a number of 30 digits) contains 22 as substring.

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 513445055413541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513445055413841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831679517945 + ... + 3831679518078.

It is an arithmetic number, because the mean of its divisors is an integer number (130277103612408).

Almost surely, 2^{513445055413541} is an apocalyptic number.

It is an amenable number.

513445055413541 is a deficient number, since it is larger than the sum of its proper divisors (7663359036091).

513445055413541 is an equidigital number, since it uses as much as digits as its factorization.

513445055413541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663359036090.

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 513445055413541 in words is "five hundred thirteen trillion, four hundred forty-five billion, fifty-five million, four hundred thirteen thousand, five hundred forty-one".