9405913321 has 4 divisors (see below), whose sum is σ = 10749615232. Its totient is φ = 8062211412.

The previous prime is 9405913313. The next prime is 9405913333. The reversal of 9405913321 is 1233195049.

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.

It is a cyclic number.

It is not a de Polignac number, because 9405913321 - 2³ = 9405913313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9405913381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671850945 + ... + 671850958.

It is an arithmetic number, because the mean of its divisors is an integer number (2687403808).

Almost surely, 2^9405913321 is an apocalyptic number.

It is an amenable number.

9405913321 is a deficient number, since it is larger than the sum of its proper divisors (1343701911).

9405913321 is a wasteful number, since it uses less digits than its factorization.

9405913321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343701910.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 9405913321 is about 96984.0879783895. The cubic root of 9405913321 is about 2110.8967476000.

The spelling of 9405913321 in words is "nine billion, four hundred five million, nine hundred thirteen thousand, three hundred twenty-one".