3247249734161 has 2 divisors, whose sum is σ = 3247249734162. Its totient is φ = 3247249734160.

The previous prime is 3247249734109. The next prime is 3247249734163. The reversal of 3247249734161 is 1614379427423.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3133979793025 + 113269941136 = 1770305^2 + 336556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3247249734161 is a prime.

Together with 3247249734163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3247249734163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623624867080 + 1623624867081.

It is an arithmetic number, because the mean of its divisors is an integer number (1623624867081).

Almost surely, 2^{3247249734161} is an apocalyptic number.

It is an amenable number.

3247249734161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3247249734161 is an equidigital number, since it uses as much as digits as its factorization.

3247249734161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The spelling of 3247249734161 in words is "three trillion, two hundred forty-seven billion, two hundred forty-nine million, seven hundred thirty-four thousand, one hundred sixty-one".