64849644694846 has 8 divisors (see below), whose sum is σ = 106117600409784. Its totient is φ = 29477111224920.

The previous prime is 64849644694837. The next prime is 64849644694859.

64849644694846 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64849644694846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473855561225 + ... + 1473855561268.

It is an arithmetic number, because the mean of its divisors is an integer number (13264700051223).

Almost surely, 2^{64849644694846} is an apocalyptic number.

64849644694846 is a deficient number, since it is larger than the sum of its proper divisors (41267955714938).

64849644694846 is a wasteful number, since it uses less digits than its factorization.

64849644694846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947711122506.

The product of its digits is 27518828544, while the sum is 82.

The spelling of 64849644694846 in words is "sixty-four trillion, eight hundred forty-nine billion, six hundred forty-four million, six hundred ninety-four thousand, eight hundred forty-six".