1099953638363 has 2 divisors, whose sum is σ = 1099953638364. Its totient is φ = 1099953638362.

The previous prime is 1099953638341. The next prime is 1099953638431. The reversal of 1099953638363 is 3638363599901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1099953638363 - 2⁸ = 1099953638107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1099953638363.

It is not a weakly prime, because it can be changed into another prime (1099953638963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549976819181 + 549976819182.

It is an arithmetic number, because the mean of its divisors is an integer number (549976819182).

Almost surely, 2^{1099953638363} is an apocalyptic number.

1099953638363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099953638363 is an equidigital number, since it uses as much as digits as its factorization.

1099953638363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85030560, while the sum is 65.

The spelling of 1099953638363 in words is "one trillion, ninety-nine billion, nine hundred fifty-three million, six hundred thirty-eight thousand, three hundred sixty-three".