1603630204193 has 2 divisors, whose sum is σ = 1603630204194. Its totient is φ = 1603630204192.

The previous prime is 1603630204159. The next prime is 1603630204199. The reversal of 1603630204193 is 3914020363061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1358968399504 + 244661804689 = 1165748^2 + 494633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1603630204193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1603630204199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801815102096 + 801815102097.

It is an arithmetic number, because the mean of its divisors is an integer number (801815102097).

Almost surely, 2^{1603630204193} is an apocalyptic number.

It is an amenable number.

1603630204193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603630204193 is an equidigital number, since it uses as much as digits as its factorization.

1603630204193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 1603630204193 in words is "one trillion, six hundred three billion, six hundred thirty million, two hundred four thousand, one hundred ninety-three".