814695646513 has 8 divisors (see below), whose sum is σ = 940120358528. Its totient is φ = 691530839424.

The previous prime is 814695646511. The next prime is 814695646519. The reversal of 814695646513 is 315646596418.

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

It is a cyclic number.

It is not a de Polignac number, because 814695646513 - 2¹ = 814695646511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814695646511) 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, 564975456 + ... + 564976897.

It is an arithmetic number, because the mean of its divisors is an integer number (117515044816).

Almost surely, 2^814695646513 is an apocalyptic number.

It is an amenable number.

814695646513 is a deficient number, since it is larger than the sum of its proper divisors (125424712015).

814695646513 is a wasteful number, since it uses less digits than its factorization.

814695646513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129952463.

The product of its digits is 18662400, while the sum is 58.

The spelling of 814695646513 in words is "eight hundred fourteen billion, six hundred ninety-five million, six hundred forty-six thousand, five hundred thirteen".