3244947978067 has 2 divisors, whose sum is σ = 3244947978068. Its totient is φ = 3244947978066.

The previous prime is 3244947978061. The next prime is 3244947978119. The reversal of 3244947978067 is 7608797494423.

3244947978067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3244947978067 is a prime.

It is a super-2 number, since 2×3244947978067² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3244947977987 and 3244947978005.

It is not a weakly prime, because it can be changed into another prime (3244947978061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622473989033 + 1622473989034.

It is an arithmetic number, because the mean of its divisors is an integer number (1622473989034).

Almost surely, 2^{3244947978067} is an apocalyptic number.

3244947978067 is a deficient number, since it is larger than the sum of its proper divisors (1).

3244947978067 is an equidigital number, since it uses as much as digits as its factorization.

3244947978067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512096256, while the sum is 70.

The spelling of 3244947978067 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-eight thousand, sixty-seven".