9947490313 has 8 divisors (see below), whose sum is σ = 10557781920. Its totient is φ = 9339992640.

The previous prime is 9947490281. The next prime is 9947490353. The reversal of 9947490313 is 3130947499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9947490313 - 2⁵ = 9947490281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9947490353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691143 + ... + 705388.

It is an arithmetic number, because the mean of its divisors is an integer number (1319722740).

Almost surely, 2^9947490313 is an apocalyptic number.

It is an amenable number.

9947490313 is a deficient number, since it is larger than the sum of its proper divisors (610291607).

9947490313 is a wasteful number, since it uses less digits than its factorization.

9947490313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396967.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 9947490313 is about 99737.1059987205. The cubic root of 9947490313 is about 2150.6571139437.

The spelling of 9947490313 in words is "nine billion, nine hundred forty-seven million, four hundred ninety thousand, three hundred thirteen".