1648494945353 has 2 divisors, whose sum is σ = 1648494945354. Its totient is φ = 1648494945352.

The previous prime is 1648494945337. The next prime is 1648494945401. The reversal of 1648494945353 is 3535494948461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1392607687744 + 255887257609 = 1180088^2 + 505853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1648494945353 - 2⁴ = 1648494945337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1648494945353.

It is not a weakly prime, because it can be changed into another prime (1648494945313) 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, 824247472676 + 824247472677.

It is an arithmetic number, because the mean of its divisors is an integer number (824247472677).

Almost surely, 2^{1648494945353} is an apocalyptic number.

It is an amenable number.

1648494945353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648494945353 is an equidigital number, since it uses as much as digits as its factorization.

1648494945353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 223948800, while the sum is 65.

The spelling of 1648494945353 in words is "one trillion, six hundred forty-eight billion, four hundred ninety-four million, nine hundred forty-five thousand, three hundred fifty-three".