64425652446 has 8 divisors (see below), whose sum is σ = 128851304904. Its totient is φ = 21475217480.

The previous prime is 64425652439. The next prime is 64425652451.

It is a happy number.

64425652446 is nontrivially palindromic in base 10.

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

64425652446 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 64425652395 and 64425652404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368804365 + ... + 5368804376.

It is an arithmetic number, because the mean of its divisors is an integer number (16106413113).

Almost surely, 2^64425652446 is an apocalyptic number.

64425652446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64425652446 is a wasteful number, since it uses less digits than its factorization.

64425652446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737608746.

The product of its digits is 5529600, while the sum is 48.

The spelling of 64425652446 in words is "sixty-four billion, four hundred twenty-five million, six hundred fifty-two thousand, four hundred forty-six".