9804536072038 has 4 divisors (see below), whose sum is σ = 14706804108060. Its totient is φ = 4902268036018.

The previous prime is 9804536071963. The next prime is 9804536072039. The reversal of 9804536072038 is 8302706354089.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9804536072038² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9804536072038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9804536072039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451134018008 + ... + 2451134018011.

It is an arithmetic number, because the mean of its divisors is an integer number (3676701027015).

Almost surely, 2^{9804536072038} is an apocalyptic number.

9804536072038 is a deficient number, since it is larger than the sum of its proper divisors (4902268036022).

9804536072038 is a wasteful number, since it uses less digits than its factorization.

9804536072038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902268036021.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 9804536072038 in words is "nine trillion, eight hundred four billion, five hundred thirty-six million, seventy-two thousand, thirty-eight".