6402246648244 has 6 divisors (see below), whose sum is σ = 11203931634434. Its totient is φ = 3201123324120.

The previous prime is 6402246648223. The next prime is 6402246648293. The reversal of 6402246648244 is 4428466422046.

It can be written as a sum of positive squares in only one way, i.e., 3221802423844 + 3180444224400 = 1794938^2 + 1783380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6402246648191 and 6402246648200.

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, 800280831027 + ... + 800280831034.

Almost surely, 2^{6402246648244} is an apocalyptic number.

It is an amenable number.

6402246648244 is a deficient number, since it is larger than the sum of its proper divisors (4801684986190).

6402246648244 is a wasteful number, since it uses less digits than its factorization.

6402246648244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600561662065 (or 1600561662063 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 52.

The spelling of 6402246648244 in words is "six trillion, four hundred two billion, two hundred forty-six million, six hundred forty-eight thousand, two hundred forty-four".