9646459645546 has 16 divisors (see below), whose sum is σ = 14512188489984. Its totient is φ = 4809083339104.

The previous prime is 9646459645519. The next prime is 9646459645549. The reversal of 9646459645546 is 6455469546469.

It is not an unprimeable number, because it can be changed into a prime (9646459645549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991771 + ... + 5935246.

It is an arithmetic number, because the mean of its divisors is an integer number (907011780624).

Almost surely, 2^{9646459645546} is an apocalyptic number.

9646459645546 is a deficient number, since it is larger than the sum of its proper divisors (4865728844438).

9646459645546 is a wasteful number, since it uses less digits than its factorization.

9646459645546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928445.

The product of its digits is 3359232000, while the sum is 73.

The spelling of 9646459645546 in words is "nine trillion, six hundred forty-six billion, four hundred fifty-nine million, six hundred forty-five thousand, five hundred forty-six".