65414819 has 2 divisors, whose sum is σ = 65414820. Its totient is φ = 65414818.

The previous prime is 65414801. The next prime is 65414821. The reversal of 65414819 is 91841456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65414819 - 2¹⁶ = 65349283 is a prime.

It is a super-2 number, since 2×65414819² = 8558197089605522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 65414821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65414849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32707409 + 32707410.

It is an arithmetic number, because the mean of its divisors is an integer number (32707410).

Almost surely, 2^65414819 is an apocalyptic number.

65414819 is a deficient number, since it is larger than the sum of its proper divisors (1).

65414819 is an equidigital number, since it uses as much as digits as its factorization.

65414819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 65414819 is about 8087.9428163161. The cubic root of 65414819 is about 402.9260824927.

The spelling of 65414819 in words is "sixty-five million, four hundred fourteen thousand, eight hundred nineteen".