2449892399221 has 8 divisors (see below), whose sum is σ = 2534429725920. Its totient is φ = 2365358957808.

The previous prime is 2449892399203. The next prime is 2449892399231. The reversal of 2449892399221 is 1229932989442.

It is a happy number.

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 2449892399221 - 2⁵ = 2449892399189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449892399231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341650 + ... + 2239756.

It is an arithmetic number, because the mean of its divisors is an integer number (316803715740).

Almost surely, 2^{2449892399221} is an apocalyptic number.

It is an amenable number.

2449892399221 is a deficient number, since it is larger than the sum of its proper divisors (84537326699).

2449892399221 is a wasteful number, since it uses less digits than its factorization.

2449892399221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942643.

The product of its digits is 40310784, while the sum is 64.

The spelling of 2449892399221 in words is "two trillion, four hundred forty-nine billion, eight hundred ninety-two million, three hundred ninety-nine thousand, two hundred twenty-one".