64132843 has 4 divisors (see below), whose sum is σ = 64517040. Its totient is φ = 63748648.

The previous prime is 64132819. The next prime is 64132853. The reversal of 64132843 is 34823146.

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 64132843 - 2²¹ = 62035691 is a prime.

It is a super-2 number, since 2×64132843² = 8226043102525298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64132853) 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, 191848 + ... + 192181.

It is an arithmetic number, because the mean of its divisors is an integer number (16129260).

Almost surely, 2^64132843 is an apocalyptic number.

64132843 is a deficient number, since it is larger than the sum of its proper divisors (384197).

64132843 is a wasteful number, since it uses less digits than its factorization.

64132843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384196.

The product of its digits is 13824, while the sum is 31.

The square root of 64132843 is about 8008.2983835519. The cubic root of 64132843 is about 400.2765649855.

Adding to 64132843 its reverse (34823146), we get a palindrome (98955989).

The spelling of 64132843 in words is "sixty-four million, one hundred thirty-two thousand, eight hundred forty-three".