816363712949 has 8 divisors (see below), whose sum is σ = 817974960000. Its totient is φ = 814753294992.

The previous prime is 816363712937. The next prime is 816363712963. The reversal of 816363712949 is 949217363618.

816363712949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 816363712949 - 2⁸ = 816363712693 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 (816363712349) 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, 1782767 + ... + 2193395.

It is an arithmetic number, because the mean of its divisors is an integer number (102246870000).

Almost surely, 2^816363712949 is an apocalyptic number.

It is an amenable number.

816363712949 is a deficient number, since it is larger than the sum of its proper divisors (1611247051).

816363712949 is a wasteful number, since it uses less digits than its factorization.

816363712949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414547.

The product of its digits is 11757312, while the sum is 59.

The spelling of 816363712949 in words is "eight hundred sixteen billion, three hundred sixty-three million, seven hundred twelve thousand, nine hundred forty-nine".