64654424111 has 8 divisors (see below), whose sum is σ = 65368496880. Its totient is φ = 63943860928.

The previous prime is 64654424099. The next prime is 64654424143. The reversal of 64654424111 is 11142445646.

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 64654424111 - 2⁶ = 64654424047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64654424161) 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 7 ways as a sum of consecutive naturals, for example, 840341 + ... + 914046.

It is an arithmetic number, because the mean of its divisors is an integer number (8171062110).

Almost surely, 2^64654424111 is an apocalyptic number.

64654424111 is a deficient number, since it is larger than the sum of its proper divisors (714072769).

64654424111 is a wasteful number, since it uses less digits than its factorization.

64654424111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754793.

The product of its digits is 92160, while the sum is 38.

Adding to 64654424111 its reverse (11142445646), we get a palindrome (75796869757).

The spelling of 64654424111 in words is "sixty-four billion, six hundred fifty-four million, four hundred twenty-four thousand, one hundred eleven".