9250397685 has 12 divisors (see below), whose sum is σ = 16034022732. Its totient is φ = 4933545408.

The previous prime is 9250397683. The next prime is 9250397707. The reversal of 9250397685 is 5867930529.

It can be written as a sum of positive squares in 2 ways, for example, as 6335045649 + 2915352036 = 79593^2 + 53994^2 .

It is not a de Polignac number, because 9250397685 - 2¹ = 9250397683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9250397683) 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, 102782152 + ... + 102782241.

It is an arithmetic number, because the mean of its divisors is an integer number (1336168561).

Almost surely, 2^9250397685 is an apocalyptic number.

It is an amenable number.

9250397685 is a deficient number, since it is larger than the sum of its proper divisors (6783625047).

9250397685 is a wasteful number, since it uses less digits than its factorization.

9250397685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205564404 (or 205564401 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 9250397685 is about 96178.9877520033. The cubic root of 9250397685 is about 2099.1983096340.

The spelling of 9250397685 in words is "nine billion, two hundred fifty million, three hundred ninety-seven thousand, six hundred eighty-five".