64114643 has 2 divisors, whose sum is σ = 64114644. Its totient is φ = 64114642.

The previous prime is 64114619. The next prime is 64114669. The reversal of 64114643 is 34641146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64114643 - 2⁶ = 64114579 is a prime.

It is a super-2 number, since 2×64114643² = 8221374894034898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64114613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32057321 + 32057322.

It is an arithmetic number, because the mean of its divisors is an integer number (32057322).

Almost surely, 2^64114643 is an apocalyptic number.

64114643 is a deficient number, since it is larger than the sum of its proper divisors (1).

64114643 is an equidigital number, since it uses as much as digits as its factorization.

64114643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 64114643 is about 8007.1619816262. The cubic root of 64114643 is about 400.2386971142.

Adding to 64114643 its reverse (34641146), we get a palindrome (98755789).

The spelling of 64114643 in words is "sixty-four million, one hundred fourteen thousand, six hundred forty-three".