64141489 has 2 divisors, whose sum is σ = 64141490. Its totient is φ = 64141488.

The previous prime is 64141447. The next prime is 64141529. The reversal of 64141489 is 98414146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 3301489 = 7800^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 64141489 - 2⁷ = 64141361 is a prime.

It is a super-2 number, since 2×64141489² = 8228261222274242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64141409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32070744 + 32070745.

It is an arithmetic number, because the mean of its divisors is an integer number (32070745).

Almost surely, 2^64141489 is an apocalyptic number.

It is an amenable number.

64141489 is a deficient number, since it is larger than the sum of its proper divisors (1).

64141489 is an equidigital number, since it uses as much as digits as its factorization.

64141489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 64141489 is about 8008.8381804104. The cubic root of 64141489 is about 400.2945517949.

The spelling of 64141489 in words is "sixty-four million, one hundred forty-one thousand, four hundred eighty-nine".