64841469 has 16 divisors (see below), whose sum is σ = 107788800. Its totient is φ = 33683760.

The previous prime is 64841449. The next prime is 64841473. The reversal of 64841469 is 96414846.

It is not a de Polignac number, because 64841469 - 2⁹ = 64840957 is a prime.

It is a super-2 number, since 2×64841469² = 8408832204155922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64841469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64841449) 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 15 ways as a sum of consecutive naturals, for example, 140119 + ... + 140580.

It is an arithmetic number, because the mean of its divisors is an integer number (6736800).

Almost surely, 2^64841469 is an apocalyptic number.

It is an amenable number.

64841469 is a deficient number, since it is larger than the sum of its proper divisors (42947331).

64841469 is a wasteful number, since it uses less digits than its factorization.

64841469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280720.

The product of its digits is 165888, while the sum is 42.

The square root of 64841469 is about 8052.4200710097. The cubic root of 64841469 is about 401.7454329976.

The spelling of 64841469 in words is "sixty-four million, eight hundred forty-one thousand, four hundred sixty-nine".