9921302874 has 32 divisors (see below), whose sum is σ = 25196960640. Its totient is φ = 2834657856.

The previous prime is 9921302873. The next prime is 9921302917. The reversal of 9921302874 is 4782031299.

9921302874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9921302873) 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 15 ways as a sum of consecutive naturals, for example, 13123039 + ... + 13123794.

It is an arithmetic number, because the mean of its divisors is an integer number (787405020).

Almost surely, 2^9921302874 is an apocalyptic number.

9921302874 is an abundant number, since it is smaller than the sum of its proper divisors (15275657766).

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

9921302874 is a wasteful number, since it uses less digits than its factorization.

9921302874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246851 (or 26246845 counting only the distinct ones).

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

The square root of 9921302874 is about 99605.7371540415. The cubic root of 9921302874 is about 2148.7682054566.

The spelling of 9921302874 in words is "nine billion, nine hundred twenty-one million, three hundred two thousand, eight hundred seventy-four".