65419369 has 2 divisors, whose sum is σ = 65419370. Its totient is φ = 65419368.

The previous prime is 65419327. The next prime is 65419379. The reversal of 65419369 is 96391456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 28355625 = 6088^2 + 5325^2 .

It is a cyclic number.

It is not a de Polignac number, because 65419369 - 2⁷ = 65419241 is a prime.

It is a super-2 number, since 2×65419369² = 8559387680716322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65419379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32709684 + 32709685.

It is an arithmetic number, because the mean of its divisors is an integer number (32709685).

Almost surely, 2^65419369 is an apocalyptic number.

It is an amenable number.

65419369 is a deficient number, since it is larger than the sum of its proper divisors (1).

65419369 is an equidigital number, since it uses as much as digits as its factorization.

65419369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 65419369 is about 8088.2240943238. The cubic root of 65419369 is about 402.9354242657.

The spelling of 65419369 in words is "sixty-five million, four hundred nineteen thousand, three hundred sixty-nine".