513230344255646 has 8 divisors (see below), whose sum is σ = 779120763569064. Its totient is φ = 253523423065960.

The previous prime is 513230344255621. The next prime is 513230344255691. The reversal of 513230344255646 is 646552443032315.

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

It is a congruent number.

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, 1545874530725 + ... + 1545874531056.

It is an arithmetic number, because the mean of its divisors is an integer number (97390095446133).

Almost surely, 2^{513230344255646} is an apocalyptic number.

513230344255646 is a deficient number, since it is larger than the sum of its proper divisors (265890419313418).

513230344255646 is a wasteful number, since it uses less digits than its factorization.

513230344255646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091749061866.

The product of its (nonzero) digits is 31104000, while the sum is 53.

The spelling of 513230344255646 in words is "five hundred thirteen trillion, two hundred thirty billion, three hundred forty-four million, two hundred fifty-five thousand, six hundred forty-six".