9601781144 has 16 divisors (see below), whose sum is σ = 18442446120. Its totient is φ = 4683795520.

The previous prime is 9601781131. The next prime is 9601781159. The reversal of 9601781144 is 4411871069.

9601781144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9601781144² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14636534 + ... + 14637189.

Almost surely, 2^9601781144 is an apocalyptic number.

It is an amenable number.

9601781144 is a deficient number, since it is larger than the sum of its proper divisors (8840664976).

9601781144 is a wasteful number, since it uses less digits than its factorization.

9601781144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273770 (or 29273766 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 9601781144 is about 97988.6786521790. The cubic root of 9601781144 is about 2125.4485710659.

The spelling of 9601781144 in words is "nine billion, six hundred one million, seven hundred eighty-one thousand, one hundred forty-four".