68911441 has 2 divisors, whose sum is σ = 68911442. Its totient is φ = 68911440.

The previous prime is 68911433. The next prime is 68911459. The reversal of 68911441 is 14411986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 15563025 = 7304^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 68911441 - 2³ = 68911433 is a prime.

It is equal to p_4057756 and since 68911441 and 4057756 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 68911397 and 68911406.

It is not a weakly prime, because it can be changed into another prime (68911471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34455720 + 34455721.

It is an arithmetic number, because the mean of its divisors is an integer number (34455721).

Almost surely, 2^68911441 is an apocalyptic number.

It is an amenable number.

68911441 is a deficient number, since it is larger than the sum of its proper divisors (1).

68911441 is an equidigital number, since it uses as much as digits as its factorization.

68911441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 68911441 is about 8301.2915260217. The cubic root of 68911441 is about 409.9810441365.

The spelling of 68911441 in words is "sixty-eight million, nine hundred eleven thousand, four hundred forty-one".