1632742618613 has 2 divisors, whose sum is σ = 1632742618614. Its totient is φ = 1632742618612.

The previous prime is 1632742618607. The next prime is 1632742618649. The reversal of 1632742618613 is 3168162472361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1520441895844 + 112300722769 = 1233062^2 + 335113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632742618613 - 2²² = 1632738424309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1632742618693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816371309306 + 816371309307.

It is an arithmetic number, because the mean of its divisors is an integer number (816371309307).

Almost surely, 2^{1632742618613} is an apocalyptic number.

It is an amenable number.

1632742618613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632742618613 is an equidigital number, since it uses as much as digits as its factorization.

1632742618613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The spelling of 1632742618613 in words is "one trillion, six hundred thirty-two billion, seven hundred forty-two million, six hundred eighteen thousand, six hundred thirteen".