9936147641 has 32 divisors (see below), whose sum is σ = 12756418560. Its totient is φ = 7533824256.

The previous prime is 9936147629. The next prime is 9936147653. The reversal of 9936147641 is 1467416399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9936147629) and next prime (9936147653).

It is not a de Polignac number, because 9936147641 - 2¹⁸ = 9935885497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9936147641.

It is not an unprimeable number, because it can be changed into a prime (9936147671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269846 + ... + 304448.

It is an arithmetic number, because the mean of its divisors is an integer number (398638080).

Almost surely, 2^9936147641 is an apocalyptic number.

It is an amenable number.

9936147641 is a deficient number, since it is larger than the sum of its proper divisors (2820270919).

9936147641 is a wasteful number, since it uses less digits than its factorization.

9936147641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34773.

The product of its digits is 979776, while the sum is 50.

The square root of 9936147641 is about 99680.2269309215. The cubic root of 9936147641 is about 2149.8393708010.

The spelling of 9936147641 in words is "nine billion, nine hundred thirty-six million, one hundred forty-seven thousand, six hundred forty-one".