64455119 has 2 divisors, whose sum is σ = 64455120. Its totient is φ = 64455118.

The previous prime is 64455113. The next prime is 64455121. The reversal of 64455119 is 91155446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64455119 - 2⁴ = 64455103 is a prime.

It is a super-2 number, since 2×64455119² = 8308924730608322, which contains 22 as substring.

Together with 64455121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64455113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32227559 + 32227560.

It is an arithmetic number, because the mean of its divisors is an integer number (32227560).

Almost surely, 2^64455119 is an apocalyptic number.

64455119 is a deficient number, since it is larger than the sum of its proper divisors (1).

64455119 is an equidigital number, since it uses as much as digits as its factorization.

64455119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 64455119 is about 8028.3945468568. The cubic root of 64455119 is about 400.9459258806.

The spelling of 64455119 in words is "sixty-four million, four hundred fifty-five thousand, one hundred nineteen".