2118650192563 has 2 divisors, whose sum is σ = 2118650192564. Its totient is φ = 2118650192562.

The previous prime is 2118650192557. The next prime is 2118650192567. The reversal of 2118650192563 is 3652910568112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2118650192563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118650192567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059325096281 + 1059325096282.

It is an arithmetic number, because the mean of its divisors is an integer number (1059325096282).

Almost surely, 2^{2118650192563} is an apocalyptic number.

2118650192563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118650192563 is an equidigital number, since it uses as much as digits as its factorization.

2118650192563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 2118650192563 in words is "two trillion, one hundred eighteen billion, six hundred fifty million, one hundred ninety-two thousand, five hundred sixty-three".