813726230361 has 8 divisors (see below), whose sum is σ = 1183601789664. Its totient is φ = 493167412320.

The previous prime is 813726230357. The next prime is 813726230371. The reversal of 813726230361 is 163032627318.

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

It is not a de Polignac number, because 813726230361 - 2² = 813726230357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813726230371) 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, 12329185276 + ... + 12329185341.

It is an arithmetic number, because the mean of its divisors is an integer number (147950223708).

Almost surely, 2^813726230361 is an apocalyptic number.

It is an amenable number.

813726230361 is a deficient number, since it is larger than the sum of its proper divisors (369875559303).

813726230361 is a wasteful number, since it uses less digits than its factorization.

813726230361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24658370631.

The product of its (nonzero) digits is 217728, while the sum is 42.

Adding to 813726230361 its reverse (163032627318), we get a palindrome (976758857679).

The spelling of 813726230361 in words is "eight hundred thirteen billion, seven hundred twenty-six million, two hundred thirty thousand, three hundred sixty-one".