513666035614223 has 4 divisors (see below), whose sum is σ = 513666089854320. Its totient is φ = 513665981374128.

The previous prime is 513666035614117. The next prime is 513666035614229. The reversal of 513666035614223 is 322416530666315.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 513666035614223 - 2²⁴ = 513666018837007 is a prime.

It is a super-2 number, since 2×513666035614223² (a number of 30 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 (513666035614229) 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, 8780963 + ... + 33233076.

It is an arithmetic number, because the mean of its divisors is an integer number (128416522463580).

Almost surely, 2^{513666035614223} is an apocalyptic number.

513666035614223 is a deficient number, since it is larger than the sum of its proper divisors (54240097).

513666035614223 is a wasteful number, since it uses less digits than its factorization.

513666035614223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54240096.

The product of its (nonzero) digits is 13996800, while the sum is 53.

The spelling of 513666035614223 in words is "five hundred thirteen trillion, six hundred sixty-six billion, thirty-five million, six hundred fourteen thousand, two hundred twenty-three".