64289111 has 2 divisors, whose sum is σ = 64289112. Its totient is φ = 64289110.

The previous prime is 64289089. The next prime is 64289123. The reversal of 64289111 is 11198246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64289111 - 2⁶ = 64289047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64289011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32144555 + 32144556.

It is an arithmetic number, because the mean of its divisors is an integer number (32144556).

Almost surely, 2^64289111 is an apocalyptic number.

64289111 is a deficient number, since it is larger than the sum of its proper divisors (1).

64289111 is an equidigital number, since it uses as much as digits as its factorization.

64289111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 64289111 is about 8018.0490769264. The cubic root of 64289111 is about 400.6014098955.

The spelling of 64289111 in words is "sixty-four million, two hundred eighty-nine thousand, one hundred eleven".