2306422642661 has 2 divisors, whose sum is σ = 2306422642662. Its totient is φ = 2306422642660.

The previous prime is 2306422642621. The next prime is 2306422642681. The reversal of 2306422642661 is 1662462246032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2260530292036 + 45892350625 = 1503506^2 + 214225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306422642661 - 2⁶ = 2306422642597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2306422642621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153211321330 + 1153211321331.

It is an arithmetic number, because the mean of its divisors is an integer number (1153211321331).

Almost surely, 2^{2306422642661} is an apocalyptic number.

It is an amenable number.

2306422642661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2306422642661 is an equidigital number, since it uses as much as digits as its factorization.

2306422642661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 44.

Adding to 2306422642661 its reverse (1662462246032), we get a palindrome (3968884888693).

The spelling of 2306422642661 in words is "two trillion, three hundred six billion, four hundred twenty-two million, six hundred forty-two thousand, six hundred sixty-one".