9438820697 has 8 divisors (see below), whose sum is σ = 9866634240. Its totient is φ = 9018715680.

The previous prime is 9438820693. The next prime is 9438820709. The reversal of 9438820697 is 7960288349.

It is a happy number.

9438820697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9438820697 - 2² = 9438820693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9438820691) 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 7 ways as a sum of consecutive naturals, for example, 1924628 + ... + 1929525.

It is an arithmetic number, because the mean of its divisors is an integer number (1233329280).

Almost surely, 2^9438820697 is an apocalyptic number.

It is an amenable number.

9438820697 is a deficient number, since it is larger than the sum of its proper divisors (427813543).

9438820697 is a wasteful number, since it uses less digits than its factorization.

9438820697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854263.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 9438820697 is about 97153.5933303550. The cubic root of 9438820697 is about 2113.3555987171.

The spelling of 9438820697 in words is "nine billion, four hundred thirty-eight million, eight hundred twenty thousand, six hundred ninety-seven".