2408868406221 has 8 divisors (see below), whose sum is σ = 3212581528800. Its totient is φ = 1605533777232.

The previous prime is 2408868406123. The next prime is 2408868406247. The reversal of 2408868406221 is 1226048688042.

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

It is not a de Polignac number, because 2408868406221 - 2⁷ = 2408868406093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408868402221) 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, 94608546 + ... + 94634003.

It is an arithmetic number, because the mean of its divisors is an integer number (401572691100).

Almost surely, 2^{2408868406221} is an apocalyptic number.

It is an amenable number.

2408868406221 is a deficient number, since it is larger than the sum of its proper divisors (803713122579).

2408868406221 is a wasteful number, since it uses less digits than its factorization.

2408868406221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189246795.

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 2408868406221 in words is "two trillion, four hundred eight billion, eight hundred sixty-eight million, four hundred six thousand, two hundred twenty-one".