64349169 has 8 divisors (see below), whose sum is σ = 86155872. Its totient is φ = 42720960.

The previous prime is 64349161. The next prime is 64349177. The reversal of 64349169 is 96194346.

It is an interprime number because it is at equal distance from previous prime (64349161) and next prime (64349177).

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

It is not a de Polignac number, because 64349169 - 2³ = 64349161 is a prime.

It is a super-2 number, since 2×64349169² = 8281631101981122, 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 64349169.

It is not an unprimeable number, because it can be changed into a prime (64349161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43779 + ... + 45224.

It is an arithmetic number, because the mean of its divisors is an integer number (10769484).

Almost surely, 2^64349169 is an apocalyptic number.

It is an amenable number.

64349169 is a deficient number, since it is larger than the sum of its proper divisors (21806703).

64349169 is a wasteful number, since it uses less digits than its factorization.

64349169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89247.

The product of its digits is 139968, while the sum is 42.

The square root of 64349169 is about 8021.7933780421. The cubic root of 64349169 is about 400.7261165061.

The spelling of 64349169 in words is "sixty-four million, three hundred forty-nine thousand, one hundred sixty-nine".