3226554239561 has 2 divisors, whose sum is σ = 3226554239562. Its totient is φ = 3226554239560.

The previous prime is 3226554239509. The next prime is 3226554239567. The reversal of 3226554239561 is 1659324556223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3223213399561 + 3340840000 = 1795331^2 + 57800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3226554239561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3226554239567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613277119780 + 1613277119781.

It is an arithmetic number, because the mean of its divisors is an integer number (1613277119781).

Almost surely, 2^{3226554239561} is an apocalyptic number.

It is an amenable number.

3226554239561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3226554239561 is an equidigital number, since it uses as much as digits as its factorization.

3226554239561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664000, while the sum is 53.

The spelling of 3226554239561 in words is "three trillion, two hundred twenty-six billion, five hundred fifty-four million, two hundred thirty-nine thousand, five hundred sixty-one".