813015538147 has 2 divisors, whose sum is σ = 813015538148. Its totient is φ = 813015538146.

The previous prime is 813015538141. The next prime is 813015538163. The reversal of 813015538147 is 741835510318.

813015538147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 813015538147 - 2³¹ = 810868054499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 813015538097 and 813015538106.

It is not a weakly prime, because it can be changed into another prime (813015538141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406507769073 + 406507769074.

It is an arithmetic number, because the mean of its divisors is an integer number (406507769074).

Almost surely, 2^813015538147 is an apocalyptic number.

813015538147 is a deficient number, since it is larger than the sum of its proper divisors (1).

813015538147 is an equidigital number, since it uses as much as digits as its factorization.

813015538147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 813015538147 in words is "eight hundred thirteen billion, fifteen million, five hundred thirty-eight thousand, one hundred forty-seven".