968554968221 has 8 divisors (see below), whose sum is σ = 982099910784. Its totient is φ = 955017514080.

The previous prime is 968554968217. The next prime is 968554968229. The reversal of 968554968221 is 122869455869.

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 968554968221 - 2² = 968554968217 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 (968554968229) 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, 1611365 + ... + 2129226.

It is an arithmetic number, because the mean of its divisors is an integer number (122762488848).

Almost surely, 2^968554968221 is an apocalyptic number.

It is an amenable number.

968554968221 is a deficient number, since it is larger than the sum of its proper divisors (13544942563).

968554968221 is a wasteful number, since it uses less digits than its factorization.

968554968221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744211.

The product of its digits is 74649600, while the sum is 65.

The spelling of 968554968221 in words is "nine hundred sixty-eight billion, five hundred fifty-four million, nine hundred sixty-eight thousand, two hundred twenty-one".