513053540066642 has 8 divisors (see below), whose sum is σ = 770041965959856. Its totient is φ = 256372884746692.

The previous prime is 513053540066629. The next prime is 513053540066699. The reversal of 513053540066642 is 246660045350315.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76942639148 + ... + 76942645815.

It is an arithmetic number, because the mean of its divisors is an integer number (96255245744982).

Almost surely, 2^{513053540066642} is an apocalyptic number.

513053540066642 is a deficient number, since it is larger than the sum of its proper divisors (256988425893214).

513053540066642 is a wasteful number, since it uses less digits than its factorization.

513053540066642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153885286632.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 513053540066642 in words is "five hundred thirteen trillion, fifty-three billion, five hundred forty million, sixty-six thousand, six hundred forty-two".