8994338994661 has 8 divisors (see below), whose sum is σ = 9254302170624. Its totient is φ = 8736308630880.

The previous prime is 8994338994631. The next prime is 8994338994673. The reversal of 8994338994661 is 1664998334998.

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

It is a cyclic number.

It is not a de Polignac number, because 8994338994661 - 2⁷ = 8994338994533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8994338994631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483193605 + ... + 483212218.

It is an arithmetic number, because the mean of its divisors is an integer number (1156787771328).

Almost surely, 2^{8994338994661} is an apocalyptic number.

It is an amenable number.

8994338994661 is a deficient number, since it is larger than the sum of its proper divisors (259963175963).

8994338994661 is a wasteful number, since it uses less digits than its factorization.

8994338994661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966406091.

The product of its digits is 2176782336, while the sum is 79.

The spelling of 8994338994661 in words is "eight trillion, nine hundred ninety-four billion, three hundred thirty-eight million, nine hundred ninety-four thousand, six hundred sixty-one".