9921075337 has 4 divisors (see below), whose sum is σ = 9927440640. Its totient is φ = 9914710036.

The previous prime is 9921075331. The next prime is 9921075341. The reversal of 9921075337 is 7335701299.

9921075337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7335701299 = 953 ⋅7697483.

It is a cyclic number.

It is not a de Polignac number, because 9921075337 - 2⁷ = 9921075209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9921075331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180313 + ... + 3183430.

It is an arithmetic number, because the mean of its divisors is an integer number (2481860160).

Almost surely, 2^9921075337 is an apocalyptic number.

It is an amenable number.

9921075337 is a deficient number, since it is larger than the sum of its proper divisors (6365303).

9921075337 is a wasteful number, since it uses less digits than its factorization.

9921075337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365302.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 9921075337 is about 99604.5949592688. The cubic root of 9921075337 is about 2148.7517785815.

The spelling of 9921075337 in words is "nine billion, nine hundred twenty-one million, seventy-five thousand, three hundred thirty-seven".