3641321065633 has 2 divisors, whose sum is σ = 3641321065634. Its totient is φ = 3641321065632.

The previous prime is 3641321065619. The next prime is 3641321065639. The reversal of 3641321065633 is 3365601231463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1891857200704 + 1749463864929 = 1375448^2 + 1322673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641321065633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3641321065633.

It is not a weakly prime, because it can be changed into another prime (3641321065639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820660532816 + 1820660532817.

It is an arithmetic number, because the mean of its divisors is an integer number (1820660532817).

Almost surely, 2^{3641321065633} is an apocalyptic number.

It is an amenable number.

3641321065633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641321065633 is an equidigital number, since it uses as much as digits as its factorization.

3641321065633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 3641321065633 in words is "three trillion, six hundred forty-one billion, three hundred twenty-one million, sixty-five thousand, six hundred thirty-three".