2671768784442 has 8 divisors (see below), whose sum is σ = 5343537568896. Its totient is φ = 890589594812.

The previous prime is 2671768784437. The next prime is 2671768784501. The reversal of 2671768784442 is 2444878671762.

It is a happy number.

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

2671768784442 is an admirable number.

It is a super-2 number, since 2×2671768784442² (a number of 26 digits) contains 22 as substring.

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, 222647398698 + ... + 222647398709.

It is an arithmetic number, because the mean of its divisors is an integer number (667942196112).

Almost surely, 2^{2671768784442} is an apocalyptic number.

2671768784442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2671768784442 is a wasteful number, since it uses less digits than its factorization.

2671768784442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445294797412.

The product of its digits is 202309632, while the sum is 66.

The spelling of 2671768784442 in words is "two trillion, six hundred seventy-one billion, seven hundred sixty-eight million, seven hundred eighty-four thousand, four hundred forty-two".