64469 has 4 divisors (see below), whose sum is σ = 67296. Its totient is φ = 61644.

The previous prime is 64453. The next prime is 64483. The reversal of 64469 is 96446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64469 - 2⁴ = 64453 is a prime.

It is a super-2 number, since 2×64469² = 8312503922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (16824).

2⁶⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

64469 is a deficient number, since it is larger than the sum of its proper divisors (2827).

64469 is a wasteful number, since it uses less digits than its factorization.

64469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its digits is 5184, while the sum is 29.

The square root of 64469 is about 253.9074634586. The cubic root of 64469 is about 40.0974706273.

The spelling of 64469 in words is "sixty-four thousand, four hundred sixty-nine".