3634551676817 has 2 divisors, whose sum is σ = 3634551676818. Its totient is φ = 3634551676816.

The previous prime is 3634551676741. The next prime is 3634551676853. The reversal of 3634551676817 is 7186761554363.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2779609190656 + 854942486161 = 1667216^2 + 924631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634551676817 - 2²⁴ = 3634534899601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3634551676817.

It is not a weakly prime, because it can be changed into another prime (3634551606817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817275838408 + 1817275838409.

It is an arithmetic number, because the mean of its divisors is an integer number (1817275838409).

Almost surely, 2^{3634551676817} is an apocalyptic number.

It is an amenable number.

3634551676817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3634551676817 is an equidigital number, since it uses as much as digits as its factorization.

3634551676817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 62.

The spelling of 3634551676817 in words is "three trillion, six hundred thirty-four billion, five hundred fifty-one million, six hundred seventy-six thousand, eight hundred seventeen".