6442004263612 has 6 divisors (see below), whose sum is σ = 11273507461328. Its totient is φ = 3221002131804.

The previous prime is 6442004263571. The next prime is 6442004263661. The reversal of 6442004263612 is 2163624002446.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 805250532948 + ... + 805250532955.

Almost surely, 2^{6442004263612} is an apocalyptic number.

It is an amenable number.

6442004263612 is a deficient number, since it is larger than the sum of its proper divisors (4831503197716).

6442004263612 is a wasteful number, since it uses less digits than its factorization.

6442004263612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610501065907 (or 1610501065905 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 6442004263612 in words is "six trillion, four hundred forty-two billion, four million, two hundred sixty-three thousand, six hundred twelve".