9642485541 has 64 divisors (see below), whose sum is σ = 14886502400. Its totient is φ = 5502422016.

The previous prime is 9642485497. The next prime is 9642485591. The reversal of 9642485541 is 1455842469.

It is not a de Polignac number, because 9642485541 - 2¹³ = 9642477349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642485591) 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 63 ways as a sum of consecutive naturals, for example, 7433805 + ... + 7435101.

It is an arithmetic number, because the mean of its divisors is an integer number (232601600).

Almost surely, 2^9642485541 is an apocalyptic number.

It is an amenable number.

9642485541 is a deficient number, since it is larger than the sum of its proper divisors (5244016859).

9642485541 is a wasteful number, since it uses less digits than its factorization.

9642485541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its digits is 1382400, while the sum is 48.

The square root of 9642485541 is about 98196.1584839244. The cubic root of 9642485541 is about 2128.4477762851.

The spelling of 9642485541 in words is "nine billion, six hundred forty-two million, four hundred eighty-five thousand, five hundred forty-one".