1608630852793 has 2 divisors, whose sum is σ = 1608630852794. Its totient is φ = 1608630852792.

The previous prime is 1608630852781. The next prime is 1608630852797. The reversal of 1608630852793 is 3972580368061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307885002384 + 300745850409 = 1143628^2 + 548403^2 .

It is an emirp because it is prime and its reverse (3972580368061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608630852793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1608630852797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804315426396 + 804315426397.

It is an arithmetic number, because the mean of its divisors is an integer number (804315426397).

Almost surely, 2^{1608630852793} is an apocalyptic number.

It is an amenable number.

1608630852793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608630852793 is an equidigital number, since it uses as much as digits as its factorization.

1608630852793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 1608630852793 in words is "one trillion, six hundred eight billion, six hundred thirty million, eight hundred fifty-two thousand, seven hundred ninety-three".