64247674246 has 8 divisors (see below), whose sum is σ = 110138870160. Its totient is φ = 27534717528.

The previous prime is 64247674223. The next prime is 64247674297.

64247674246 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 64247674193 and 64247674202.

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, 2294559781 + ... + 2294559808.

It is an arithmetic number, because the mean of its divisors is an integer number (13767358770).

Almost surely, 2^64247674246 is an apocalyptic number.

64247674246 is a deficient number, since it is larger than the sum of its proper divisors (45891195914).

64247674246 is a wasteful number, since it uses less digits than its factorization.

64247674246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589119598.

The product of its digits is 10838016, while the sum is 52.

The spelling of 64247674246 in words is "sixty-four billion, two hundred forty-seven million, six hundred seventy-four thousand, two hundred forty-six".