513727979365456 has 40 divisors (see below), whose sum is σ = 1003193011410944. Its totient is φ = 254839491204480.

The previous prime is 513727979365451. The next prime is 513727979365457. The reversal of 513727979365456 is 654563979727315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513727979365451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285984421 + ... + 287775163.

Almost surely, 2^{513727979365456} is an apocalyptic number.

It is an amenable number.

513727979365456 is a deficient number, since it is larger than the sum of its proper divisors (489465032045488).

513727979365456 is a wasteful number, since it uses less digits than its factorization.

513727979365456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932059 (or 1932053 counting only the distinct ones).

The product of its digits is 9001692000, while the sum is 79.

The spelling of 513727979365456 in words is "five hundred thirteen trillion, seven hundred twenty-seven billion, nine hundred seventy-nine million, three hundred sixty-five thousand, four hundred fifty-six".