64414989227 has 2 divisors, whose sum is σ = 64414989228. Its totient is φ = 64414989226.

The previous prime is 64414989139. The next prime is 64414989239. The reversal of 64414989227 is 72298941446.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64414989227 - 2²² = 64410794923 is a prime.

It is a super-2 number, since 2×64414989227² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64414919227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32207494613 + 32207494614.

It is an arithmetic number, because the mean of its divisors is an integer number (32207494614).

Almost surely, 2^64414989227 is an apocalyptic number.

64414989227 is a deficient number, since it is larger than the sum of its proper divisors (1).

64414989227 is an equidigital number, since it uses as much as digits as its factorization.

64414989227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The spelling of 64414989227 in words is "sixty-four billion, four hundred fourteen million, nine hundred eighty-nine thousand, two hundred twenty-seven".