513105197413 has 4 divisors (see below), whose sum is σ = 515365572960. Its totient is φ = 510844821868.

The previous prime is 513105197389. The next prime is 513105197417. The reversal of 513105197413 is 314791501315.

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 513105197413 - 2³³ = 504515262821 is a prime.

It is a super-2 number, since 2×513105197413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513105197417) 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, 1130187433 + ... + 1130187886.

It is an arithmetic number, because the mean of its divisors is an integer number (128841393240).

Almost surely, 2^513105197413 is an apocalyptic number.

It is an amenable number.

513105197413 is a deficient number, since it is larger than the sum of its proper divisors (2260375547).

513105197413 is a wasteful number, since it uses less digits than its factorization.

513105197413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260375546.

The product of its (nonzero) digits is 56700, while the sum is 40.

Adding to 513105197413 its reverse (314791501315), we get a palindrome (827896698728).

The spelling of 513105197413 in words is "five hundred thirteen billion, one hundred five million, one hundred ninety-seven thousand, four hundred thirteen".