9428448249 has 32 divisors (see below), whose sum is σ = 15255060480. Its totient is φ = 5707774800.

The previous prime is 9428448247. The next prime is 9428448287.

It is a happy number.

9428448249 is a `hidden beast` number, since 9 + 42 + 84 + 482 + 49 = 666.

9428448249 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9428448249 - 2¹ = 9428448247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9428448195 and 9428448204.

It is not an unprimeable number, because it can be changed into a prime (9428448241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253144 + ... + 287990.

It is an arithmetic number, because the mean of its divisors is an integer number (476720640).

Almost surely, 2^9428448249 is an apocalyptic number.

9428448249 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9428448249 is a deficient number, since it is larger than the sum of its proper divisors (5826612231).

9428448249 is a wasteful number, since it uses less digits than its factorization.

9428448249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35778 (or 35772 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 9428448249 is about 97100.1969565459. The cubic root of 9428448249 is about 2112.5811832718.

The spelling of 9428448249 in words is "nine billion, four hundred twenty-eight million, four hundred forty-eight thousand, two hundred forty-nine".