6442930894142 has 8 divisors (see below), whose sum is σ = 9664409013336. Its totient is φ = 3221461223032.

The previous prime is 6442930894097. The next prime is 6442930894189. The reversal of 6442930894142 is 2414980392446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6442930894142² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385088 + ... + 3610284.

It is an arithmetic number, because the mean of its divisors is an integer number (1208051126667).

Almost surely, 2^{6442930894142} is an apocalyptic number.

6442930894142 is a deficient number, since it is larger than the sum of its proper divisors (3221478119194).

6442930894142 is a wasteful number, since it uses less digits than its factorization.

6442930894142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224042.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 6442930894142 in words is "six trillion, four hundred forty-two billion, nine hundred thirty million, eight hundred ninety-four thousand, one hundred forty-two".