2326938559661 has 2 divisors, whose sum is σ = 2326938559662. Its totient is φ = 2326938559660.

The previous prime is 2326938559657. The next prime is 2326938559723. The reversal of 2326938559661 is 1669558396232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2089452904036 + 237485655625 = 1445494^2 + 487325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2326938559661 - 2² = 2326938559657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2326938556661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1163469279830 + 1163469279831.

It is an arithmetic number, because the mean of its divisors is an integer number (1163469279831).

Almost surely, 2^{2326938559661} is an apocalyptic number.

It is an amenable number.

2326938559661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2326938559661 is an equidigital number, since it uses as much as digits as its factorization.

2326938559661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125971200, while the sum is 65.

The spelling of 2326938559661 in words is "two trillion, three hundred twenty-six billion, nine hundred thirty-eight million, five hundred fifty-nine thousand, six hundred sixty-one".