3652640636773 has 2 divisors, whose sum is σ = 3652640636774. Its totient is φ = 3652640636772.

The previous prime is 3652640636731. The next prime is 3652640636819. The reversal of 3652640636773 is 3776360462563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3431244979044 + 221395657729 = 1852362^2 + 470527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3652640636773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3652640606773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826320318386 + 1826320318387.

It is an arithmetic number, because the mean of its divisors is an integer number (1826320318387).

Almost surely, 2^{3652640636773} is an apocalyptic number.

It is an amenable number.

3652640636773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3652640636773 is an equidigital number, since it uses as much as digits as its factorization.

3652640636773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 58.

The spelling of 3652640636773 in words is "three trillion, six hundred fifty-two billion, six hundred forty million, six hundred thirty-six thousand, seven hundred seventy-three".