64954009 has 8 divisors (see below), whose sum is σ = 66047040. Its totient is φ = 63870000.

The previous prime is 64954003. The next prime is 64954039. The reversal of 64954009 is 90045946.

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 64954009 - 2¹¹ = 64951961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64954003) 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, 13122 + ... + 17380.

It is an arithmetic number, because the mean of its divisors is an integer number (8255880).

Almost surely, 2^64954009 is an apocalyptic number.

It is an amenable number.

64954009 is a deficient number, since it is larger than the sum of its proper divisors (1093031).

64954009 is a wasteful number, since it uses less digits than its factorization.

64954009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64954009 is about 8059.4050028523. The cubic root of 64954009 is about 401.9777241520.

The spelling of 64954009 in words is "sixty-four million, nine hundred fifty-four thousand, nine".