9953077509 has 6 divisors (see below), whose sum is σ = 14376667526. Its totient is φ = 6635385000.

The previous prime is 9953077487. The next prime is 9953077531. The reversal of 9953077509 is 9057703599.

9953077509 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9953077487) and next prime (9953077531).

It can be written as a sum of positive squares in only one way, i.e., 8690341284 + 1262736225 = 93222^2 + 35535^2 .

It is not a de Polignac number, because 9953077509 - 2²¹ = 9950980357 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 (9953077579) 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 5 ways as a sum of consecutive naturals, for example, 552948742 + ... + 552948759.

Almost surely, 2^9953077509 is an apocalyptic number.

It is an amenable number.

9953077509 is a deficient number, since it is larger than the sum of its proper divisors (4423590017).

9953077509 is a wasteful number, since it uses less digits than its factorization.

9953077509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105897507 (or 1105897504 counting only the distinct ones).

The product of its (nonzero) digits is 2679075, while the sum is 54.

The square root of 9953077509 is about 99765.1116823913. Note that the first 3 decimals coincide. The cubic root of 9953077509 is about 2151.0596909908.

The spelling of 9953077509 in words is "nine billion, nine hundred fifty-three million, seventy-seven thousand, five hundred nine".