8381360823364 has 9 divisors (see below), whose sum is σ = 14667391573597. Its totient is φ = 4190677516624.

The previous prime is 8381360823361. The next prime is 8381360823371. The reversal of 8381360823364 is 4633280631838.

The square root of 8381360823364 is 2895058.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4317427376964 + 4063933446400 = 2077842^2 + 2015920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8381360823361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5066352 + ... + 6513880.

Almost surely, 2^{8381360823364} is an apocalyptic number.

8381360823364 is the 2895058-th square number.

It is an amenable number.

8381360823364 is a deficient number, since it is larger than the sum of its proper divisors (6286030750233).

8381360823364 is an frugal number, since it uses more digits than its factorization.

8381360823364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895062 (or 1447531 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 8381360823364 in words is "eight trillion, three hundred eighty-one billion, three hundred sixty million, eight hundred twenty-three thousand, three hundred sixty-four".