6445641107246 has 8 divisors (see below), whose sum is σ = 10547412720984. Its totient is φ = 2929836866920.

The previous prime is 6445641107231. The next prime is 6445641107249. The reversal of 6445641107246 is 6427011465446.

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 = 6445641107194 and 6445641107203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445641107249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146491843325 + ... + 146491843368.

It is an arithmetic number, because the mean of its divisors is an integer number (1318426590123).

Almost surely, 2^{6445641107246} is an apocalyptic number.

6445641107246 is a deficient number, since it is larger than the sum of its proper divisors (4101771613738).

6445641107246 is a wasteful number, since it uses less digits than its factorization.

6445641107246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292983686706.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 6445641107246 in words is "six trillion, four hundred forty-five billion, six hundred forty-one million, one hundred seven thousand, two hundred forty-six".