8281494332397 has 64 divisors (see below), whose sum is σ = 14427511096320. Its totient is φ = 4628593368000.

The previous prime is 8281494332389. The next prime is 8281494332437. The reversal of 8281494332397 is 7932334941828.

8281494332397 is a `hidden beast` number, since 8 + 2 + 8 + 1 + 494 + 33 + 23 + 97 = 666.

It is not a de Polignac number, because 8281494332397 - 2³ = 8281494332389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8281494332347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3037498 + ... + 5078324.

It is an arithmetic number, because the mean of its divisors is an integer number (225429860880).

Almost surely, 2^{8281494332397} is an apocalyptic number.

It is an amenable number.

8281494332397 is a deficient number, since it is larger than the sum of its proper divisors (6146016763923).

8281494332397 is a wasteful number, since it uses less digits than its factorization.

8281494332397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041911 (or 2041905 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 8281494332397 in words is "eight trillion, two hundred eighty-one billion, four hundred ninety-four million, three hundred thirty-two thousand, three hundred ninety-seven".