9638272723 has 8 divisors (see below), whose sum is σ = 10222450128. Its totient is φ = 9056008704.

The previous prime is 9638272717. The next prime is 9638272729. The reversal of 9638272723 is 3272728369.

It is an interprime number because it is at equal distance from previous prime (9638272717) and next prime (9638272729).

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 9638272723 - 2⁵ = 9638272691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9638272729) 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, 467961 + ... + 488122.

It is an arithmetic number, because the mean of its divisors is an integer number (1277806266).

Almost surely, 2^9638272723 is an apocalyptic number.

9638272723 is a deficient number, since it is larger than the sum of its proper divisors (584177405).

9638272723 is a wasteful number, since it uses less digits than its factorization.

9638272723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956693.

The product of its digits is 1524096, while the sum is 49.

The square root of 9638272723 is about 98174.7051077822. The cubic root of 9638272723 is about 2128.1377570047.

The spelling of 9638272723 in words is "nine billion, six hundred thirty-eight million, two hundred seventy-two thousand, seven hundred twenty-three".