9432977309 has 12 divisors (see below), whose sum is σ = 10991593404. Its totient is φ = 8071749504.

The previous prime is 9432977299. The next prime is 9432977317. The reversal of 9432977309 is 9037792349.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5244946084 + 4188031225 = 72422^2 + 64715^2 .

It is not a de Polignac number, because 9432977309 - 2²⁸ = 9164541853 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 (9432977339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133262 + ... + 191375.

It is an arithmetic number, because the mean of its divisors is an integer number (915966117).

Almost surely, 2^9432977309 is an apocalyptic number.

It is an amenable number.

9432977309 is a deficient number, since it is larger than the sum of its proper divisors (1558616095).

9432977309 is a wasteful number, since it uses less digits than its factorization.

9432977309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325244 (or 325237 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 9432977309 is about 97123.5157364065. The cubic root of 9432977309 is about 2112.9193964134.

The spelling of 9432977309 in words is "nine billion, four hundred thirty-two million, nine hundred seventy-seven thousand, three hundred nine".