9649161522050 has 24 divisors (see below), whose sum is σ = 18215312682576. Its totient is φ = 3802057673040.

The previous prime is 9649161522043. The next prime is 9649161522059. The reversal of 9649161522050 is 502251619469.

It is a happy number.

It is a super-2 number, since 2×9649161522050² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 9649161522050.

It is not an unprimeable number, because it can be changed into a prime (9649161522059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1440170012 + ... + 1440176711.

It is an arithmetic number, because the mean of its divisors is an integer number (758971361774).

Almost surely, 2^{9649161522050} is an apocalyptic number.

9649161522050 is a deficient number, since it is larger than the sum of its proper divisors (8566151160526).

9649161522050 is a wasteful number, since it uses less digits than its factorization.

9649161522050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880346802 (or 2880346797 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 9649161522050 in words is "nine trillion, six hundred forty-nine billion, one hundred sixty-one million, five hundred twenty-two thousand, fifty".