64018043 has 4 divisors (see below), whose sum is σ = 64353408. Its totient is φ = 63682680.

The previous prime is 64018037. The next prime is 64018057. The reversal of 64018043 is 34081046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34081046 = 2 ⋅17040523.

It is a cyclic number.

It is not a de Polignac number, because 64018043 - 2¹² = 64013947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64018063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167396 + ... + 167777.

It is an arithmetic number, because the mean of its divisors is an integer number (16088352).

Almost surely, 2^64018043 is an apocalyptic number.

64018043 is a deficient number, since it is larger than the sum of its proper divisors (335365).

64018043 is a wasteful number, since it uses less digits than its factorization.

64018043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335364.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 64018043 is about 8001.1276080313. The cubic root of 64018043 is about 400.0375860514.

Adding to 64018043 its reverse (34081046), we get a palindrome (98099089).

The spelling of 64018043 in words is "sixty-four million, eighteen thousand, forty-three".