9149728395444 has 48 divisors (see below), whose sum is σ = 26276143087488. Its totient is φ = 2413115180928.

The previous prime is 9149728395397. The next prime is 9149728395539. The reversal of 9149728395444 is 4445938279419.

It is a super-3 number, since 3×9149728395444³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4189434987 + ... + 4189437170.

It is an arithmetic number, because the mean of its divisors is an integer number (547419647656).

Almost surely, 2^{9149728395444} is an apocalyptic number.

It is an amenable number.

9149728395444 is an abundant number, since it is smaller than the sum of its proper divisors (17126414692044).

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

9149728395444 is a wasteful number, since it uses less digits than its factorization.

9149728395444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378872184 (or 8378872182 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 69.

The spelling of 9149728395444 in words is "nine trillion, one hundred forty-nine billion, seven hundred twenty-eight million, three hundred ninety-five thousand, four hundred forty-four".