68444269 has 2 divisors, whose sum is σ = 68444270. Its totient is φ = 68444268.

The previous prime is 68444231. The next prime is 68444281. The reversal of 68444269 is 96244486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58446025 + 9998244 = 7645^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 68444269 - 2⁷ = 68444141 is a prime.

It is a super-2 number, since 2×68444269² = 9369235917888722, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68444219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222134 + 34222135.

It is an arithmetic number, because the mean of its divisors is an integer number (34222135).

Almost surely, 2^68444269 is an apocalyptic number.

It is an amenable number.

68444269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68444269 is an equidigital number, since it uses as much as digits as its factorization.

68444269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 43.

The square root of 68444269 is about 8273.1051606999. The cubic root of 68444269 is about 409.0524798005.

The spelling of 68444269 in words is "sixty-eight million, four hundred forty-four thousand, two hundred sixty-nine".