9964439734 has 8 divisors (see below), whose sum is σ = 15350623488. Its totient is φ = 4847565240.

The previous prime is 9964439711. The next prime is 9964439747. The reversal of 9964439734 is 4379344699.

9964439734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67327222 + ... + 67327369.

It is an arithmetic number, because the mean of its divisors is an integer number (1918827936).

Almost surely, 2^9964439734 is an apocalyptic number.

9964439734 is a deficient number, since it is larger than the sum of its proper divisors (5386183754).

9964439734 is a wasteful number, since it uses less digits than its factorization.

9964439734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134654630.

The product of its digits is 17635968, while the sum is 58.

The square root of 9964439734 is about 99822.0403217646. The cubic root of 9964439734 is about 2151.8779146237.

The spelling of 9964439734 in words is "nine billion, nine hundred sixty-four million, four hundred thirty-nine thousand, seven hundred thirty-four".