3244947978197 has 2 divisors, whose sum is σ = 3244947978198. Its totient is φ = 3244947978196.

The previous prime is 3244947978163. The next prime is 3244947978241. The reversal of 3244947978197 is 7918797494423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2556701862961 + 688246115236 = 1598969^2 + 829606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244947978197 - 2¹⁴ = 3244947961813 is a prime.

It is a super-3 number, since 3×3244947978197³ (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 (3244947972197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622473989098 + 1622473989099.

It is an arithmetic number, because the mean of its divisors is an integer number (1622473989099).

Almost surely, 2^{3244947978197} is an apocalyptic number.

It is an amenable number.

3244947978197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3244947978197 is an equidigital number, since it uses as much as digits as its factorization.

3244947978197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768144384, while the sum is 74.

The spelling of 3244947978197 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-eight thousand, one hundred ninety-seven".