513399336386 has 4 divisors (see below), whose sum is σ = 770099004582. Its totient is φ = 256699668192.

The previous prime is 513399336377. The next prime is 513399336391. The reversal of 513399336386 is 683633993315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 510608855761 + 2790480625 = 714569^2 + 52825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128349834095 + ... + 128349834098.

Almost surely, 2^513399336386 is an apocalyptic number.

513399336386 is a deficient number, since it is larger than the sum of its proper divisors (256699668196).

513399336386 is a wasteful number, since it uses less digits than its factorization.

513399336386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256699668195.

The product of its digits is 28343520, while the sum is 59.

The spelling of 513399336386 in words is "five hundred thirteen billion, three hundred ninety-nine million, three hundred thirty-six thousand, three hundred eighty-six".