64245654246 has 32 divisors (see below), whose sum is σ = 131391187200. Its totient is φ = 20935916640.

The previous prime is 64245654233. The next prime is 64245654251.

It is a happy number.

64245654246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64245654195 and 64245654204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437266 + ... + 565413.

It is an arithmetic number, because the mean of its divisors is an integer number (4105974600).

Almost surely, 2^64245654246 is an apocalyptic number.

64245654246 is an abundant number, since it is smaller than the sum of its proper divisors (67145532954).

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

64245654246 is a wasteful number, since it uses less digits than its factorization.

64245654246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002924.

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

The spelling of 64245654246 in words is "sixty-four billion, two hundred forty-five million, six hundred fifty-four thousand, two hundred forty-six".