3244947978149 has 2 divisors, whose sum is σ = 3244947978150. Its totient is φ = 3244947978148.

The previous prime is 3244947978119. The next prime is 3244947978163. The reversal of 3244947978149 is 9418797494423.

3244947978149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280682897249 + 964265080900 = 1510193^2 + 981970^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244947978149 - 2¹² = 3244947974053 is a prime.

It is a super-3 number, since 3×3244947978149³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3244947978119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622473989074 + 1622473989075.

It is an arithmetic number, because the mean of its divisors is an integer number (1622473989075).

Almost surely, 2^{3244947978149} is an apocalyptic number.

It is an amenable number.

3244947978149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3244947978149 is an equidigital number, since it uses as much as digits as its factorization.

3244947978149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 438939648, while the sum is 71.

The spelling of 3244947978149 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-eight thousand, one hundred forty-nine".