9378649242 has 96 divisors (see below), whose sum is σ = 22396046400. Its totient is φ = 2824851456.

The previous prime is 9378649193. The next prime is 9378649249. The reversal of 9378649242 is 2429468739.

9378649242 is a `hidden beast` number, since 9 + 37 + 86 + 492 + 42 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9378649249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817498 + ... + 828890.

It is an arithmetic number, because the mean of its divisors is an integer number (233292150).

Almost surely, 2^9378649242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9378649242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11198023200).

9378649242 is an abundant number, since it is smaller than the sum of its proper divisors (13017397158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9378649242 is a wasteful number, since it uses less digits than its factorization.

9378649242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532 (or 11529 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 9378649242 is about 96843.4264263713. The cubic root of 9378649242 is about 2108.8552179774.

The spelling of 9378649242 in words is "nine billion, three hundred seventy-eight million, six hundred forty-nine thousand, two hundred forty-two".