513454776338 has 16 divisors (see below), whose sum is σ = 880244457984. Its totient is φ = 220042979520.

The previous prime is 513454776313. The next prime is 513454776361. The reversal of 513454776338 is 833677454315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397895 + ... + 1088682.

It is an arithmetic number, because the mean of its divisors is an integer number (55015278624).

Almost surely, 2^513454776338 is an apocalyptic number.

513454776338 is a deficient number, since it is larger than the sum of its proper divisors (366789681646).

513454776338 is a wasteful number, since it uses less digits than its factorization.

513454776338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511257.

The product of its digits is 25401600, while the sum is 56.

The spelling of 513454776338 in words is "five hundred thirteen billion, four hundred fifty-four million, seven hundred seventy-six thousand, three hundred thirty-eight".