64091119 has 2 divisors, whose sum is σ = 64091120. Its totient is φ = 64091118.

The previous prime is 64091117. The next prime is 64091143. The reversal of 64091119 is 91119046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64091119 - 2¹ = 64091117 is a prime.

It is a super-2 number, since 2×64091119² = 8215343069344322, which contains 22 as substring.

Together with 64091117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64091117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32045559 + 32045560.

It is an arithmetic number, because the mean of its divisors is an integer number (32045560).

Almost surely, 2^64091119 is an apocalyptic number.

64091119 is a deficient number, since it is larger than the sum of its proper divisors (1).

64091119 is an equidigital number, since it uses as much as digits as its factorization.

64091119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 64091119 is about 8005.6929119221. The cubic root of 64091119 is about 400.1897412314.

The spelling of 64091119 in words is "sixty-four million, ninety-one thousand, one hundred nineteen".