9646485639 has 16 divisors (see below), whose sum is σ = 14976755712. Its totient is φ = 5408271648.

The previous prime is 9646485571. The next prime is 9646485671. The reversal of 9646485639 is 9365846469.

It is not a de Polignac number, because 9646485639 - 2¹⁷ = 9646354567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9646485689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4332439 + ... + 4334664.

It is an arithmetic number, because the mean of its divisors is an integer number (936047232).

Almost surely, 2^9646485639 is an apocalyptic number.

9646485639 is a deficient number, since it is larger than the sum of its proper divisors (5330270073).

9646485639 is a wasteful number, since it uses less digits than its factorization.

9646485639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667166.

The product of its digits is 33592320, while the sum is 60.

The square root of 9646485639 is about 98216.5242665408. The cubic root of 9646485639 is about 2128.7420580381.

The spelling of 9646485639 in words is "nine billion, six hundred forty-six million, four hundred eighty-five thousand, six hundred thirty-nine".