4352617396661 has 2 divisors, whose sum is σ = 4352617396662. Its totient is φ = 4352617396660.

The previous prime is 4352617396643. The next prime is 4352617396691. The reversal of 4352617396661 is 1666937162534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3501277168900 + 851340227761 = 1871170^2 + 922681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4352617396661 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4352617396661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4352617396691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176308698330 + 2176308698331.

It is an arithmetic number, because the mean of its divisors is an integer number (2176308698331).

Almost surely, 2^{4352617396661} is an apocalyptic number.

It is an amenable number.

4352617396661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4352617396661 is an equidigital number, since it uses as much as digits as its factorization.

4352617396661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 59.

The spelling of 4352617396661 in words is "four trillion, three hundred fifty-two billion, six hundred seventeen million, three hundred ninety-six thousand, six hundred sixty-one".