9049432831021 has 8 divisors (see below), whose sum is σ = 9872133717600. Its totient is φ = 8226736140240.

The previous prime is 9049432831013. The next prime is 9049432831051. The reversal of 9049432831021 is 1201382349409.

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 9049432831021 - 2³ = 9049432831013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049432831051) 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, 4954735 + ... + 6530563.

It is an arithmetic number, because the mean of its divisors is an integer number (1234016714700).

Almost surely, 2^{9049432831021} is an apocalyptic number.

It is an amenable number.

9049432831021 is a deficient number, since it is larger than the sum of its proper divisors (822700886579).

9049432831021 is a wasteful number, since it uses less digits than its factorization.

9049432831021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097899.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 9049432831021 in words is "nine trillion, forty-nine billion, four hundred thirty-two million, eight hundred thirty-one thousand, twenty-one".