9443749397 has 8 divisors (see below), whose sum is σ = 9664687296. Its totient is φ = 9222871392.

The previous prime is 9443749321. The next prime is 9443749411. The reversal of 9443749397 is 7939473449.

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 9443749397 - 2¹² = 9443745301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9443749597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549113 + ... + 566049.

It is an arithmetic number, because the mean of its divisors is an integer number (1208085912).

Almost surely, 2^9443749397 is an apocalyptic number.

It is an amenable number.

9443749397 is a deficient number, since it is larger than the sum of its proper divisors (220937899).

9443749397 is a wasteful number, since it uses less digits than its factorization.

9443749397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29947.

The product of its digits is 20575296, while the sum is 59.

The square root of 9443749397 is about 97178.9555253605. The cubic root of 9443749397 is about 2113.7233806536.

The spelling of 9443749397 in words is "nine billion, four hundred forty-three million, seven hundred forty-nine thousand, three hundred ninety-seven".