4002904221449 has 8 divisors (see below), whose sum is σ = 4576386811008. Its totient is φ = 3429831414240.

The previous prime is 4002904221397. The next prime is 4002904221457. The reversal of 4002904221449 is 9441224092004.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-4002904221449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002904227449) 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, 102424652 + ... + 102463725.

It is an arithmetic number, because the mean of its divisors is an integer number (572048351376).

Almost surely, 2^{4002904221449} is an apocalyptic number.

It is an amenable number.

4002904221449 is a deficient number, since it is larger than the sum of its proper divisors (573482589559).

4002904221449 is a wasteful number, since it uses less digits than its factorization.

4002904221449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204891175.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 4002904221449 in words is "four trillion, two billion, nine hundred four million, two hundred twenty-one thousand, four hundred forty-nine".