9742218930 has 48 divisors (see below), whose sum is σ = 25342251480. Its totient is φ = 2596644864.

The previous prime is 9742218929. The next prime is 9742218931. The reversal of 9742218930 is 398122479.

9742218930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9742218929) and next prime (9742218931).

It can be written as a sum of positive squares in 4 ways, for example, as 2644324929 + 7097894001 = 51423^2 + 84249^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9742218931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164556 + ... + 215784.

Almost surely, 2^9742218930 is an apocalyptic number.

9742218930 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9742218930 is an abundant number, since it is smaller than the sum of its proper divisors (15600032550).

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

9742218930 is a wasteful number, since it uses less digits than its factorization.

9742218930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53355 (or 53352 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9742218930 is about 98702.6794469127. The cubic root of 9742218930 is about 2135.7608843659.

The spelling of 9742218930 in words is "nine billion, seven hundred forty-two million, two hundred eighteen thousand, nine hundred thirty".