65364019 has 4 divisors (see below), whose sum is σ = 74701744. Its totient is φ = 56026296.

The previous prime is 65364011. The next prime is 65364023. The reversal of 65364019 is 91046356.

65364019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65364019 - 2³ = 65364011 is a prime.

It is a super-2 number, since 2×65364019² = 8544909959664722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65364011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4668852 + ... + 4668865.

It is an arithmetic number, because the mean of its divisors is an integer number (18675436).

Almost surely, 2^65364019 is an apocalyptic number.

65364019 is a deficient number, since it is larger than the sum of its proper divisors (9337725).

65364019 is an equidigital number, since it uses as much as digits as its factorization.

65364019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337724.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 65364019 is about 8084.8017291706. The cubic root of 65364019 is about 402.8217537075.

The spelling of 65364019 in words is "sixty-five million, three hundred sixty-four thousand, nineteen".