513434345340 has 96 divisors (see below), whose sum is σ = 1643281403904. Its totient is φ = 117335600640.

The previous prime is 513434345327. The next prime is 513434345353. The reversal of 513434345340 is 43543434315.

It is an interprime number because it is at equal distance from previous prime (513434345327) and next prime (513434345353).

It is a super-2 number, since 2×513434345340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2326672 + ... + 2537768.

It is an arithmetic number, because the mean of its divisors is an integer number (17117514624).

Almost surely, 2^513434345340 is an apocalyptic number.

It is an amenable number.

513434345340 is an abundant number, since it is smaller than the sum of its proper divisors (1129847058564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513434345340 is a wasteful number, since it uses less digits than its factorization.

513434345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216907 (or 216905 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 513434345340 its reverse (43543434315), we get a palindrome (556977779655).

The spelling of 513434345340 in words is "five hundred thirteen billion, four hundred thirty-four million, three hundred forty-five thousand, three hundred forty".