8216469354890 has 16 divisors (see below), whose sum is σ = 14789702851560. Its totient is φ = 3286574850240.

The previous prime is 8216469354883. The next prime is 8216469354893. The reversal of 8216469354890 is 984539646128.

It can be written as a sum of positive squares in 4 ways, for example, as 7133648050321 + 1082821304569 = 2670889^2 + 1040587^2 .

It is not an unprimeable number, because it can be changed into a prime (8216469354893) 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, 1319180 + ... + 4263000.

Almost surely, 2^{8216469354890} is an apocalyptic number.

8216469354890 is a deficient number, since it is larger than the sum of its proper divisors (6573233496670).

8216469354890 is a wasteful number, since it uses less digits than its factorization.

8216469354890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222937.

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 8216469354890 in words is "eight trillion, two hundred sixteen billion, four hundred sixty-nine million, three hundred fifty-four thousand, eight hundred ninety".