64409341 has 4 divisors (see below), whose sum is σ = 66150172. Its totient is φ = 62668512.

The previous prime is 64409339. The next prime is 64409357. The reversal of 64409341 is 14390446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58905625 + 5503716 = 7675^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 64409341 - 2¹ = 64409339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64409321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870360 + ... + 870433.

It is an arithmetic number, because the mean of its divisors is an integer number (16537543).

Almost surely, 2^64409341 is an apocalyptic number.

It is an amenable number.

64409341 is a deficient number, since it is larger than the sum of its proper divisors (1740831).

64409341 is a wasteful number, since it uses less digits than its factorization.

64409341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740830.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 64409341 is about 8025.5430345865. The cubic root of 64409341 is about 400.8509820401.

Adding to 64409341 its reverse (14390446), we get a palindrome (78799787).

The spelling of 64409341 in words is "sixty-four million, four hundred nine thousand, three hundred forty-one".