9899292325 has 18 divisors (see below), whose sum is σ = 13221758354. Its totient is φ = 7308922080.

The previous prime is 9899292307. The next prime is 9899292329. The reversal of 9899292325 is 5232929989.

It can be written as a sum of positive squares in 3 ways, for example, as 30459361 + 9868832964 = 5519^2 + 99342^2 .

It is not a de Polignac number, because 9899292325 - 2¹³ = 9899284133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9899292325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899292329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1790916 + ... + 1796434.

Almost surely, 2^9899292325 is an apocalyptic number.

It is an amenable number.

9899292325 is a deficient number, since it is larger than the sum of its proper divisors (3322466029).

9899292325 is an frugal number, since it uses more digits than its factorization.

9899292325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061 (or 5537 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 58.

The square root of 9899292325 is about 99495.1874464288. The cubic root of 9899292325 is about 2147.1780048233.

The spelling of 9899292325 in words is "nine billion, eight hundred ninety-nine million, two hundred ninety-two thousand, three hundred twenty-five".