8204982140356 has 9 divisors (see below), whose sum is σ = 14358728771149. Its totient is φ = 4102488205744.

The previous prime is 8204982140351. The next prime is 8204982140359. The reversal of 8204982140356 is 6530412894028.

It is a happy number.

The square root of 8204982140356 is 2864434.

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., 7786611202500 + 418370937856 = 2790450^2 + 646816^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8204982140351) 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, 5012760 + ... + 6444976.

Almost surely, 2^{8204982140356} is an apocalyptic number.

8204982140356 is the 2864434-th square number.

It is an amenable number.

8204982140356 is a deficient number, since it is larger than the sum of its proper divisors (6153746630793).

8204982140356 is an frugal number, since it uses more digits than its factorization.

8204982140356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864438 (or 1432219 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 8204982140356 in words is "eight trillion, two hundred four billion, nine hundred eighty-two million, one hundred forty thousand, three hundred fifty-six".