8451794203349 has 16 divisors (see below), whose sum is σ = 9748236643200. Its totient is φ = 7177618401984.

The previous prime is 8451794203343. The next prime is 8451794203379. The reversal of 8451794203349 is 9433024971548.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8451794203349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8451794203343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18103634 + ... + 18564620.

It is an arithmetic number, because the mean of its divisors is an integer number (609264790200).

Almost surely, 2^{8451794203349} is an apocalyptic number.

It is an amenable number.

8451794203349 is a deficient number, since it is larger than the sum of its proper divisors (1296442439851).

8451794203349 is a wasteful number, since it uses less digits than its factorization.

8451794203349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485132.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 8451794203349 in words is "eight trillion, four hundred fifty-one billion, seven hundred ninety-four million, two hundred three thousand, three hundred forty-nine".