742803955193 has 2 divisors, whose sum is σ = 742803955194. Its totient is φ = 742803955192.

The previous prime is 742803955189. The next prime is 742803955279. The reversal of 742803955193 is 391559308247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 610331250169 + 132472705024 = 781237^2 + 363968^2 .

It is a cyclic number.

It is not a de Polignac number, because 742803955193 - 2² = 742803955189 is a prime.

It is not a weakly prime, because it can be changed into another prime (742803955163) 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, 371401977596 + 371401977597.

It is an arithmetic number, because the mean of its divisors is an integer number (371401977597).

Almost surely, 2^742803955193 is an apocalyptic number.

It is an amenable number.

742803955193 is a deficient number, since it is larger than the sum of its proper divisors (1).

742803955193 is an equidigital number, since it uses as much as digits as its factorization.

742803955193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 742803955193 in words is "seven hundred forty-two billion, eight hundred three million, nine hundred fifty-five thousand, one hundred ninety-three".