9908260749 has 12 divisors (see below), whose sum is σ = 14312896156. Its totient is φ = 6605062272.

The previous prime is 9908260741. The next prime is 9908260751. The reversal of 9908260749 is 9470628099.

It can be written as a sum of positive squares in 2 ways, for example, as 8635055625 + 1273205124 = 92925^2 + 35682^2 .

It is not a de Polignac number, because 9908260749 - 2³ = 9908260741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9908260695 and 9908260704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9908260741) 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, 157989 + ... + 211605.

Almost surely, 2^9908260749 is an apocalyptic number.

It is an amenable number.

9908260749 is a deficient number, since it is larger than the sum of its proper divisors (4404635407).

9908260749 is a wasteful number, since it uses less digits than its factorization.

9908260749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74156 (or 74153 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 9908260749 is about 99540.2468803448. The cubic root of 9908260749 is about 2147.8262326530.

The spelling of 9908260749 in words is "nine billion, nine hundred eight million, two hundred sixty thousand, seven hundred forty-nine".