646050110404312 has 8 divisors (see below), whose sum is σ = 1211343957008100. Its totient is φ = 323025055202152.

The previous prime is 646050110404301. The next prime is 646050110404337. The reversal of 646050110404312 is 213404011050646.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40378131900262 + ... + 40378131900277.

Almost surely, 2^{646050110404312} is an apocalyptic number.

It is an amenable number.

646050110404312 is a deficient number, since it is larger than the sum of its proper divisors (565293846603788).

646050110404312 is a wasteful number, since it uses less digits than its factorization.

646050110404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80756263800545 (or 80756263800541 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 646050110404312 its reverse (213404011050646), we get a palindrome (859454121454958).

The spelling of 646050110404312 in words is "six hundred forty-six trillion, fifty billion, one hundred ten million, four hundred four thousand, three hundred twelve".