64423469 has 8 divisors (see below), whose sum is σ = 70926240. Its totient is φ = 58028400.

The previous prime is 64423459. The next prime is 64423477. The reversal of 64423469 is 96432446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64423469 - 2⁴ = 64423453 is a prime.

It is a super-2 number, since 2×64423469² = 8300766715987922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64423439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25667 + ... + 28064.

It is an arithmetic number, because the mean of its divisors is an integer number (8865780).

Almost surely, 2^64423469 is an apocalyptic number.

It is an amenable number.

64423469 is a deficient number, since it is larger than the sum of its proper divisors (6502771).

64423469 is a wasteful number, since it uses less digits than its factorization.

64423469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53851.

The product of its digits is 124416, while the sum is 38.

The square root of 64423469 is about 8026.4231759857. The cubic root of 64423469 is about 400.8802883931.

The spelling of 64423469 in words is "sixty-four million, four hundred twenty-three thousand, four hundred sixty-nine".