1642793804063 has 2 divisors, whose sum is σ = 1642793804064. Its totient is φ = 1642793804062.

The previous prime is 1642793804023. The next prime is 1642793804129. The reversal of 1642793804063 is 3604083972461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1642793804063 - 2¹⁰ = 1642793803039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1642793803996 and 1642793804014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1642793804023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821396902031 + 821396902032.

It is an arithmetic number, because the mean of its divisors is an integer number (821396902032).

Almost surely, 2^{1642793804063} is an apocalyptic number.

1642793804063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642793804063 is an equidigital number, since it uses as much as digits as its factorization.

1642793804063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 1642793804063 in words is "one trillion, six hundred forty-two billion, seven hundred ninety-three million, eight hundred four thousand, sixty-three".