9069898449921 has 32 divisors (see below), whose sum is σ = 12153541954560. Its totient is φ = 6016509576000.

The previous prime is 9069898449863. The next prime is 9069898449971. The reversal of 9069898449921 is 1299448989609.

It is not a de Polignac number, because 9069898449921 - 2⁷ = 9069898449793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9069898449971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1778060271 + ... + 1778065371.

It is an arithmetic number, because the mean of its divisors is an integer number (379798186080).

Almost surely, 2^{9069898449921} is an apocalyptic number.

It is an amenable number.

9069898449921 is a deficient number, since it is larger than the sum of its proper divisors (3083643504639).

9069898449921 is a wasteful number, since it uses less digits than its factorization.

9069898449921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597.

The product of its (nonzero) digits is 725594112, while the sum is 78.

The spelling of 9069898449921 in words is "nine trillion, sixty-nine billion, eight hundred ninety-eight million, four hundred forty-nine thousand, nine hundred twenty-one".