813602206318 has 8 divisors (see below), whose sum is σ = 1331349064920. Its totient is φ = 369819184680.

The previous prime is 813602206309. The next prime is 813602206363.

813602206318 is nontrivially palindromic in base 10.

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

It is a congruent 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, 18490959213 + ... + 18490959256.

It is an arithmetic number, because the mean of its divisors is an integer number (166418633115).

Almost surely, 2^813602206318 is an apocalyptic number.

813602206318 is a deficient number, since it is larger than the sum of its proper divisors (517746858602).

813602206318 is a wasteful number, since it uses less digits than its factorization.

813602206318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36981918482.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 813602206318 in words is "eight hundred thirteen billion, six hundred two million, two hundred six thousand, three hundred eighteen".