3244947978181 has 16 divisors (see below), whose sum is σ = 4010922849024. Its totient is φ = 2556412331904.

The previous prime is 3244947978163. The next prime is 3244947978197. The reversal of 3244947978181 is 1818797494423.

It is a cyclic number.

It is not a de Polignac number, because 3244947978181 - 2⁵ = 3244947978149 is a prime.

It is a super-3 number, since 3×3244947978181³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244947970181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76499761 + ... + 76542166.

It is an arithmetic number, because the mean of its divisors is an integer number (250682678064).

Almost surely, 2^{3244947978181} is an apocalyptic number.

It is an amenable number.

3244947978181 is a deficient number, since it is larger than the sum of its proper divisors (765974870843).

3244947978181 is a wasteful number, since it uses less digits than its factorization.

3244947978181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153042180.

The product of its digits is 97542144, while the sum is 67.

The spelling of 3244947978181 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-eight thousand, one hundred eighty-one".