6944908563617 has 2 divisors, whose sum is σ = 6944908563618. Its totient is φ = 6944908563616.

The previous prime is 6944908563581. The next prime is 6944908563641. The reversal of 6944908563617 is 7163658094496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4915904889856 + 2029003673761 = 2217184^2 + 1424431^2 .

It is a cyclic number.

It is not a de Polignac number, because 6944908563617 - 2⁶ = 6944908563553 is a prime.

It is a super-2 number, since 2×6944908563617² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6944908163617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472454281808 + 3472454281809.

It is an arithmetic number, because the mean of its divisors is an integer number (3472454281809).

Almost surely, 2^{6944908563617} is an apocalyptic number.

It is an amenable number.

6944908563617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6944908563617 is an equidigital number, since it uses as much as digits as its factorization.

6944908563617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 6944908563617 in words is "six trillion, nine hundred forty-four billion, nine hundred eight million, five hundred sixty-three thousand, six hundred seventeen".