9964380751 has 8 divisors (see below), whose sum is σ = 10731664944. Its totient is φ = 9197209920.

The previous prime is 9964380749. The next prime is 9964380763. The reversal of 9964380751 is 1570834699.

It is a happy number.

9964380751 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 cyclic number.

It is not a de Polignac number, because 9964380751 - 2¹ = 9964380749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964380851) 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 7 ways as a sum of consecutive naturals, for example, 272811 + ... + 307171.

It is an arithmetic number, because the mean of its divisors is an integer number (1341458118).

Almost surely, 2^9964380751 is an apocalyptic number.

9964380751 is a deficient number, since it is larger than the sum of its proper divisors (767284193).

9964380751 is a wasteful number, since it uses less digits than its factorization.

9964380751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56681.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 9964380751 is about 99821.7448805620. The cubic root of 9964380751 is about 2151.8736687096.

The spelling of 9964380751 in words is "nine billion, nine hundred sixty-four million, three hundred eighty thousand, seven hundred fifty-one".