9149101568544 has 48 divisors (see below), whose sum is σ = 27447304707648. Its totient is φ = 2614029019392.

The previous prime is 9149101568543. The next prime is 9149101568599. The reversal of 9149101568544 is 4458651019419.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×9149101568544² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9149101568543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6807366567 + ... + 6807367910.

It is an arithmetic number, because the mean of its divisors is an integer number (571818848076).

Almost surely, 2^{9149101568544} is an apocalyptic number.

It is an amenable number.

9149101568544 is an abundant number, since it is smaller than the sum of its proper divisors (18298203139104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9149101568544 is a wasteful number, since it uses less digits than its factorization.

9149101568544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614734497 (or 13614734489 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 9149101568544 in words is "nine trillion, one hundred forty-nine billion, one hundred one million, five hundred sixty-eight thousand, five hundred forty-four".