514778692393 has 16 divisors (see below), whose sum is σ = 589740080256. Its totient is φ = 440173019520.

The previous prime is 514778692297. The next prime is 514778692433. The reversal of 514778692393 is 393296877415.

It is a cyclic number.

It is not a de Polignac number, because 514778692393 - 2¹⁷ = 514778561321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514778692193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32406813 + ... + 32422693.

It is an arithmetic number, because the mean of its divisors is an integer number (36858755016).

Almost surely, 2^514778692393 is an apocalyptic number.

It is an amenable number.

514778692393 is a deficient number, since it is larger than the sum of its proper divisors (74961387863).

514778692393 is a wasteful number, since it uses less digits than its factorization.

514778692393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26784.

The product of its digits is 68584320, while the sum is 64.

The spelling of 514778692393 in words is "five hundred fourteen billion, seven hundred seventy-eight million, six hundred ninety-two thousand, three hundred ninety-three".