9689938031 has 2 divisors, whose sum is σ = 9689938032. Its totient is φ = 9689938030.

The previous prime is 9689937953. The next prime is 9689938043. The reversal of 9689938031 is 1308399869.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9689938031 - 2¹⁸ = 9689675887 is a prime.

It is a super-2 number, since 2×9689938031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9689938831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844969015 + 4844969016.

It is an arithmetic number, because the mean of its divisors is an integer number (4844969016).

Almost surely, 2^9689938031 is an apocalyptic number.

9689938031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689938031 is an equidigital number, since it uses as much as digits as its factorization.

9689938031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 9689938031 is about 98437.4828558715. The cubic root of 9689938031 is about 2131.9335621032.

The spelling of 9689938031 in words is "nine billion, six hundred eighty-nine million, nine hundred thirty-eight thousand, thirty-one".