813015538347 has 8 divisors (see below), whose sum is σ = 1088881798144. Its totient is φ = 539579818728.

The previous prime is 813015538303. The next prime is 813015538351. The reversal of 813015538347 is 743835510318.

813015538347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 813015538347 - 2⁸ = 813015538091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813015538296 and 813015538305.

It is not an unprimeable number, because it can be changed into a prime (813015538147) 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, 607634263 + ... + 607635600.

It is an arithmetic number, because the mean of its divisors is an integer number (136110224768).

Almost surely, 2^813015538347 is an apocalyptic number.

813015538347 is a deficient number, since it is larger than the sum of its proper divisors (275866259797).

813015538347 is a wasteful number, since it uses less digits than its factorization.

813015538347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215270089.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 813015538347 in words is "eight hundred thirteen billion, fifteen million, five hundred thirty-eight thousand, three hundred forty-seven".