64030219 has 4 divisors (see below), whose sum is σ = 69851160. Its totient is φ = 58209280.

The previous prime is 64030193. The next prime is 64030237. The reversal of 64030219 is 91203046.

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 64030219 - 2¹³ = 64022027 is a prime.

It is a super-2 number, since 2×64030219² = 8199737890375922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64030193 and 64030202.

It is not an unprimeable number, because it can be changed into a prime (64034219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910454 + ... + 2910475.

It is an arithmetic number, because the mean of its divisors is an integer number (17462790).

Almost surely, 2^64030219 is an apocalyptic number.

64030219 is a deficient number, since it is larger than the sum of its proper divisors (5820941).

64030219 is a wasteful number, since it uses less digits than its factorization.

64030219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820940.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 64030219 is about 8001.8884646063. Note that the first 3 decimals coincide. The cubic root of 64030219 is about 400.0629463439.

The spelling of 64030219 in words is "sixty-four million, thirty thousand, two hundred nineteen".