64246243435012 has 48 divisors (see below), whose sum is σ = 114348725213184. Its totient is φ = 31575873168000.

The previous prime is 64246243434977. The next prime is 64246243435021. The reversal of 64246243435012 is 21053434264246.

It is a happy 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, 5322356937 + ... + 5322369007.

It is an arithmetic number, because the mean of its divisors is an integer number (2382265108608).

Almost surely, 2^{64246243435012} is an apocalyptic number.

It is an amenable number.

64246243435012 is a deficient number, since it is larger than the sum of its proper divisors (50102481778172).

64246243435012 is a wasteful number, since it uses less digits than its factorization.

64246243435012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580 (or 24578 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

Adding to 64246243435012 its reverse (21053434264246), we get a palindrome (85299677699258).

The spelling of 64246243435012 in words is "sixty-four trillion, two hundred forty-six billion, two hundred forty-three million, four hundred thirty-five thousand, twelve".