815713460368 has 10 divisors (see below), whose sum is σ = 1580444829494. Its totient is φ = 407856730176.

The previous prime is 815713460363. The next prime is 815713460473. The reversal of 815713460368 is 863064317518.

It is a happy number.

815713460368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 815712436224 + 1024144 = 903168^2 + 1012^2 .

It is not an unprimeable number, because it can be changed into a prime (815713460363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25491045621 + ... + 25491045652.

Almost surely, 2^815713460368 is an apocalyptic number.

It is an amenable number.

815713460368 is a deficient number, since it is larger than the sum of its proper divisors (764731369126).

815713460368 is a wasteful number, since it uses less digits than its factorization.

815713460368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50982091281 (or 50982091275 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 815713460368 in words is "eight hundred fifteen billion, seven hundred thirteen million, four hundred sixty thousand, three hundred sixty-eight".