9640654545 has 16 divisors (see below), whose sum is σ = 15428476800. Its totient is φ = 5140539264.

The previous prime is 9640654519. The next prime is 9640654561. The reversal of 9640654545 is 5454560469.

9640654545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9640654545 - 2⁷ = 9640654417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9640654494 and 9640654503.

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 15 ways as a sum of consecutive naturals, for example, 612 + ... + 138858.

It is an arithmetic number, because the mean of its divisors is an integer number (964279800).

Almost surely, 2^9640654545 is an apocalyptic number.

It is an amenable number.

9640654545 is a deficient number, since it is larger than the sum of its proper divisors (5787822255).

9640654545 is a wasteful number, since it uses less digits than its factorization.

9640654545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142904.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The square root of 9640654545 is about 98186.8348863533. The cubic root of 9640654545 is about 2128.3130452537.

The spelling of 9640654545 in words is "nine billion, six hundred forty million, six hundred fifty-four thousand, five hundred forty-five".