9435145687 has 4 divisors (see below), whose sum is σ = 10292886216. Its totient is φ = 8577405160.

The previous prime is 9435145663. The next prime is 9435145717. The reversal of 9435145687 is 7865415349.

9435145687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7865415349 = 11 ⋅715037759.

It is a cyclic number.

It is not a de Polignac number, because 9435145687 - 2²³ = 9426757079 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 (9435145607) 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 3 ways as a sum of consecutive naturals, for example, 428870248 + ... + 428870269.

It is an arithmetic number, because the mean of its divisors is an integer number (2573221554).

Almost surely, 2^9435145687 is an apocalyptic number.

9435145687 is a deficient number, since it is larger than the sum of its proper divisors (857740529).

9435145687 is a wasteful number, since it uses less digits than its factorization.

9435145687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857740528.

The product of its digits is 3628800, while the sum is 52.

The square root of 9435145687 is about 97134.6780866648. The cubic root of 9435145687 is about 2113.0812843932.

The spelling of 9435145687 in words is "nine billion, four hundred thirty-five million, one hundred forty-five thousand, six hundred eighty-seven".