64647173432341 has 2 divisors, whose sum is σ = 64647173432342. Its totient is φ = 64647173432340.

The previous prime is 64647173432329. The next prime is 64647173432467. The reversal of 64647173432341 is 14323437174646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63120641522500 + 1526531909841 = 7944850^2 + 1235529^2 .

It is a cyclic number.

It is not a de Polignac number, because 64647173432341 - 2¹¹ = 64647173430293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64647173432321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32323586716170 + 32323586716171.

It is an arithmetic number, because the mean of its divisors is an integer number (32323586716171).

Almost surely, 2^{64647173432341} is an apocalyptic number.

It is an amenable number.

64647173432341 is a deficient number, since it is larger than the sum of its proper divisors (1).

64647173432341 is an equidigital number, since it uses as much as digits as its factorization.

64647173432341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 55.

The spelling of 64647173432341 in words is "sixty-four trillion, six hundred forty-seven billion, one hundred seventy-three million, four hundred thirty-two thousand, three hundred forty-one".