513423412330551 has 8 divisors (see below), whose sum is σ = 684841365210480. Its totient is φ = 342143867168832.

The previous prime is 513423412330529. The next prime is 513423412330607. The reversal of 513423412330551 is 155033214324315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-513423412330551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513423412330051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34601920896 + ... + 34601935733.

It is an arithmetic number, because the mean of its divisors is an integer number (85605170651310).

Almost surely, 2^{513423412330551} is an apocalyptic number.

513423412330551 is a deficient number, since it is larger than the sum of its proper divisors (171417952879929).

513423412330551 is a wasteful number, since it uses less digits than its factorization.

513423412330551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69203859105.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 513423412330551 its reverse (155033214324315), we get a palindrome (668456626654866).

The spelling of 513423412330551 in words is "five hundred thirteen trillion, four hundred twenty-three billion, four hundred twelve million, three hundred thirty thousand, five hundred fifty-one".