6464440194301 has 2 divisors, whose sum is σ = 6464440194302. Its totient is φ = 6464440194300.

The previous prime is 6464440194281. The next prime is 6464440194323. The reversal of 6464440194301 is 1034910444646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5606945674201 + 857494520100 = 2367899^2 + 926010^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464440194301 - 2⁵ = 6464440194269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464440194361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232220097150 + 3232220097151.

It is an arithmetic number, because the mean of its divisors is an integer number (3232220097151).

Almost surely, 2^{6464440194301} is an apocalyptic number.

It is an amenable number.

6464440194301 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464440194301 is an equidigital number, since it uses as much as digits as its factorization.

6464440194301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 6464440194301 in words is "six trillion, four hundred sixty-four billion, four hundred forty million, one hundred ninety-four thousand, three hundred one".