814185696955 has 4 divisors (see below), whose sum is σ = 977022836352. Its totient is φ = 651348557560.

The previous prime is 814185696941. The next prime is 814185696979. The reversal of 814185696955 is 559696581418.

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

It is a de Polignac number, because none of the positive numbers 2^k-814185696955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81418569691 + ... + 81418569700.

It is an arithmetic number, because the mean of its divisors is an integer number (244255709088).

Almost surely, 2^814185696955 is an apocalyptic number.

814185696955 is a deficient number, since it is larger than the sum of its proper divisors (162837139397).

814185696955 is a wasteful number, since it uses less digits than its factorization.

814185696955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162837139396.

The product of its digits is 93312000, while the sum is 67.

The spelling of 814185696955 in words is "eight hundred fourteen billion, one hundred eighty-five million, six hundred ninety-six thousand, nine hundred fifty-five".