64034143 has 2 divisors, whose sum is σ = 64034144. Its totient is φ = 64034142.

The previous prime is 64034141. The next prime is 64034209. The reversal of 64034143 is 34143046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64034143 - 2¹ = 64034141 is a prime.

Together with 64034141, 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 (64034141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32017071 + 32017072.

It is an arithmetic number, because the mean of its divisors is an integer number (32017072).

Almost surely, 2^64034143 is an apocalyptic number.

64034143 is a deficient number, since it is larger than the sum of its proper divisors (1).

64034143 is an equidigital number, since it uses as much as digits as its factorization.

64034143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64034143 is about 8002.1336529703. The cubic root of 64034143 is about 400.0711186046.

Adding to 64034143 its reverse (34143046), we get a palindrome (98177189).

The spelling of 64034143 in words is "sixty-four million, thirty-four thousand, one hundred forty-three".